The UK government is facing calls to halt arms exports to Israel, as nationwide anger erupts over the killing of three British aid workers in Gaza by Israeli strikes on Monday. John Chapman, 57, James Henderson, 33, and James Kirby, 47 – reportedly former UK servicemen – were working in Gaza for the World Central Kitchen (WCK) charity when their vehicle was struck by an Israeli missile, ending the lives of all seven aid workers onboard. The killing of the three British men – dubbed “heroes” by some media outlets – has prompted huge anger in the UK at the Israeli government and reignited calls …