""Saying he would like the UK to send troops, Mr Kouchner - the founder of the charity Medecins Sans Frontieres (Doctors Without Borders) - made an impassioned plea to Mr Cameron's government. "The British people for such a mission are our closest friend. We need them. For the time being we are alone. I beg you don't leave the French alone. This is a common mission, this is a common threat, we are all fighting extremism," he said.""