The French ambassador in Kabul has delivered a starkly pessimistic farewell speech questioning the achievements of more than 11 years of international intervention in Afghanistan.
A Nato plane crashed in Afghanistan on Saturday killing four service members, the coalition said, adding that early reports suggested the aircraft was not brought down by insurgents.
Taliban insurgents in Afghanistan on Saturday announced the start of their annual "spring offensive" against the US-backed government, vowing a nationwide series of attacks as foreign troops withdraw.
A passenger bus in Afghanistan collided on Friday with a wrecked fuel tanker left on a road after a Taliban insurgent attack, killing at least 45 people, officials said.
NATO said today that the war against the Taliban in Afghanistan is being won, despite reports by other agencies of a sharp upsurge in insurgent attacks this year.
The Taliban said today a group of overseas captives had been moved to a "safe area" following the largest abduction of foreigners in six years, highlighting Afghanistan's insecurity as NATO troops prepare to leave.

In a dusty city of grey concrete blast walls where there's not always much to smile about, the organisers of a children's circus try to provide a splash of colour and some moments of joy.
A Turkish transport helicopter carrying at least 11 civilians was forced to make an emergency landing in a Taliban-controlled area in eastern Afghanistan, and the insurgents took all the people on board prisoner, including eight Turks and a Russian, officials said today.
'The Taliban captured us and chopped off our hands and feet,' one of the two victims of the Taliban's harsh justice said in a hospital in the western Herat province over the weekend.
Officials say a helicopter owned by an Afghan company has made an emergency landing in a Taliban-controlled area of eastern Afghanistan, and the insurgents took all nine people who were aboard hostage.
Afghanistan's Taliban Islamic insurgents have amputated a hand and a foot of two private security guards because they worked for foreign troops, police and one of the victims said today.
According to an Afghanistan NGO, there has been a sharp increase in the number of attacks in this year's first quarter, a recent study has revealed.
While others make plans to flee, a new generation of educated young Afghans who have tasted new freedoms in post-Taliban times are determined to stay and rebuild their war-ravaged nation.
Taliban insurgents in Afghanistan have killed seven civilians with a roadside bomb and cut the throats of four Afghan soldiers kidnapped while travelling home on leave, officials said on Wednesday.
The Afghan defense ministry today said Taliban militants have attacked an army outpost near the border with Pakistan, killing 13 soldiers.