Recap in 50 pics: Charlie Hebdo terror attack to 'rally for unity' in Paris

In what has been described as the largest demonstration in France, more than a million people surged through the streets of Paris after terror attacks in France. Take a look at some pics depicting the drama.

In what has been described as the largest demonstration in France, more than a million people on Sunday surged through the streets of Paris behind dozens of world leaders walking arm-in-arm in a rally for unity. They came together to mourn the victims of three days of terror attack that began with the slaughter at the offices of satirical magazine Charlie Hebdo on Wednesday and ended with 17 dead.

Take a look at some pictures as the horrific series of events unfolded in the last five days:

Police officers and firefighters gather in front of the offices of the French satirical newspaper Charlie Hebdo in Paris on January 7, 2015, after armed gunmen stormed the offices leaving 'casualties'. AFP Photo

France's interior minister Bernard Cazeneuve (C, L) and Paris' Mayor Anne Hidalgo

Armed gunmen face police officers near the offices of the French satirical newspaper Charlie Hebdo in Paris on January 7, 2015, during an attack on the offices of the newspaper. AFP Photo

Gunmen shoot a wounded police officer

An injured person is being transported to an ambulance after a shooting, at the French satirical newspaper Charlie Hebdo's office, in Paris, on January 7, 2015. AP Photo

Gunmen flee the offices of French satirical newspaper Charlie Hebdo in Paris, in this still image taken from amateur video shot on January 7, 2015, and obtained by Reuters.

Firefighters carry a victim on a stretcher at the scene after a shooting at the Paris offices of Charlie Hebdo, a satirical newspaper, on January 7, 2015. Reuters Photo

A bullet's impact is seen on a window at the scene after a shooting at the Paris offices of Charlie Hebdo, a satirical newspaper, on January 7, 2015. Reuters Photo

General view of police and rescue vehicles at the scene after a shooting at the Paris offices of Charlie Hebdo, a satirical newspaper, on January 7, 2015. Reuters Photo

French President Francois Hollande, center, flanked with security forces gestures, as he arrives outside the French satirical newspaper Charlie Hebdo's office, in Paris, on January 7, 2015. AP Photo

French police officers and forensic experts examine the car used by armed gunmen who stormed the Paris offices of satirical newspaper Charlie Hebdo on January 7, 2015 in Paris. AFP Photo

French soldiers patrols at the Eiffel Tower after a shooting at a French satirical newspaper, in Paris, France, on January 7, 2015. AP Photo

(FILES)-- A file photo taken on March 15, 2006 shows members of the French satirical newspaper Charlie Hebdo, including cartoonists (first row, from L) Cabu and Charb, Tignous (C) and Honore

French soldiers patrol in front of the Eiffel Tower on January 7, 2015 in Paris as the capital was placed under the highest alert status after heavily armed gunmen shouting Islamist slogans stormed French satirical newspaper Charlie Hebdo. AFP Photo

A truck tows the car used by armed gunmen who stormed the Paris offices of satirical newspaper Charlie Hebdo on January 7, 2015 in Paris. AFP Photo

Scientific police are seen on January 7, 2015 outside of the headquarters of the French satirical newspaper Charlie Hebdo in Paris after armed gunmen stormed the offices. AFP Photo

An injured person is being evacuated outside the French satirical newspaper Charlie Hebdo's office, in Paris on January 7, 2015. AP Photo

A general view shows firefighters, police officers and forensics gathered in front of the offices of the French satirical newspaper Charlie Hebdo in Paris on January 7, 2015. AFP Photo

People are evacuated outside the French satirical newspaper Charlie Hebdo's office, in Paris on January 7, 2015. AP Photo

A French soldier patrols at the Montparnasse railway station in Paris, France on January 7, 2015. France reinforced security at houses of worship, stores, media offices and transportation after masked gunmen stormed the offices of a French satirical newspaper. AP Photo

French investigating police officer takes photos outside the door of the French satirical newspaper Charlie Hebdo's office, in Paris on January 7, 2015. AP Photo

French Prime Minister Manuel Valls, centre right, talks with rescue teams outside the French satirical newspaper Charlie Hebdo's office, in Paris, on January 7, 2015.

A man holds a placard reading "freedom of expression" during a rally in support of the victims of terrorist attack on French satyrical newspaper Charlie Hebdo at the Place de la Republique in Paris, on January 7, 2015. AFP Photo

A man raises a pen during a rally in support of the victims of terrorist attack on French satyrical newspaper Charlie Hebdo at the Place de la Republique in Paris, on January 7, 2015. AFP Photo

A man holds a placard reading "Freedom of the press is priceless, fundamentalism, of any kind, will not pass" as others hold up placards reading in French, "I am Charlie" during a gathering at the Place de la Republique

A man holds a candle and a sticker reading " I am Charlie", during a demonstration in Paris, on January 7, 2015. AP Photo

People gather in front of the city hall of Rennes, western France, on January 7, 2015, following an attack by two gunmen on the offices of the satirical weekly, Charlie Hebdo. AFP Photo

The French and European union flags fly at half staff at the French Embassy on January 7, 2015 in Washington, DC. AFP Photo

A drawing depicting cartoonist Jean Cabut, left, Charlie Hebdo editor Stephane Charbonnier, center, and cartoonist Georges Wolinski, all three of whom were killed when masked gunmen stormed the Paris offices of a weekly newspaper Charlie Hebdo and reading in French, "Victims of their success, R.I.P", is placed outside the French Embassy as people gather to express solidarity with victims of the attack in Berlin, Germany, on January 7, 2015.

People gather in Toulouse on January 7, 2015, to show their solidarity for the victims of the attack by unknown gunmen on the offices of the satirical weekly, Charlie Hebdo. AFP Photo

People gather in solidarity of the victims of a terror attack against a satirical newspaper, in Paris, on January 7, 2015. AP Photo

A man with a logo on his jacket that reads in French, "I am Charlie" and a pen in his mouth, stands with other during a rally in Lyon, on January 7, 2015, following an attack by two gunmen on the offices of the satirical weekly, Charlie Hebdo. AFP Photo

Police are seen during an operation in the "Croix-Rouge" suburb of Reims, northern France early January 8, 2015 following the attack on satirical weekly Charlie Hebdo. AFP Photo

Police are seen during an operation in the "Croix-Rouge" suburb of Reims, northern France early January 8, 2015 following the attack on satirical weekly Charlie Hebdo. AFP Photo

This combo shows handout photos released by French Police in Paris early on January 8, 2015 of suspects Cherif Kouachi (L), aged 32, and his brother Said Kouachi

A photo made released by the Defense audiovisual communication and production unit

Members of the French national police intervention group

Members of the French national police intervention group

Members of the French national police intervention group

Armed French intervention police are seen at the scene of a shooting in the street of Montrouge near Paris January 8, 2015. Reuters Photo

French police forensic scour the scene of an explosion at a kebab shop damaged following an explosion near a mosque, on January 8, 2015, in Villefranche-sur-Saone, eastern France. AFP Photo

Members of GIPN,

Members of GIPN and of RAID, French police special forces, are pictured in Corcy, near Villers-Cotterets, north-east of Paris, on January 8, 2015, where the two armed suspects from the attack on French satirical weekly newspaper Charlie Hebdo were spotted in a gray Clio. AFP Photo

SWAT police officer patrol in the village of Longpont, north east of Paris, hunting down the two heavily armed brothers suspected in the massacre at Charlie Hebdo newspaper, on January 8, 2015. AP Photo

A member of the French GIPN intervention police forces secure a neighbourhood in Corcy, northeast of Paris January 8, 2015. Reuters Photo

About 30,000 people take part in a unity rally

About 30,000 people take part in a unity rally

People gather on the Place de la Republique

Aerial view taken on January 11, 2015 shows people attending the Unity rally 'Marche Republicaine' at the Place de la Republique

Aerial view taken on January 11, 2015 shows people attending the Unity rally 'Marche Republicaine' at the Place de la Republique