Barack Obama pledges solidarity with France in fight against Islamic State

US president Barack Obama has promised to work with France and other allies to intensify the campaign against Islamic State, saying America will not be cowed by the scourge of terrorism.

Standing alongside French president Francois Hollande after they met at the White House to discuss the anti-IS mission, Mr Obama said: “We cannot succumb to fear. Make no mistake, we will win, and groups like Isil will lose.”