Invasive alien species, which are sometimes introduced unintentionally by human activities, can outcompete and overwhelm native flora and fauna, driving species to extinction and altering ecosystem equilibrium. Understanding why they settle in new areas and how they got there in the first place is critical if we are to reduce their devastating impacts. Unfortunately, there hasn't been enough research done on this, and the answers may not always be obvious.
Seven people who leapt from the burning bus were rushed to the Pirogov emergency hospital in the Bulgarian capital Sofia and were in a stable condition, hospital staff said.
The passenger, an Indian citizen, began to act up soon after take-off, quarrelling with other passengers, assaulting a flight attendant and pummelling the cockpit's door.