SUSPECTED Islamist militants killed at least 11 people in northeastern Nigeria in an attack on a security convoy that was taking people displaced by an insurgency back to their homes, police and security sources said. Islamic State, to whom a breakaway faction of Nigerian militant group Boko Haram pledged allegiance in 2016, said on its Amaq news agency that 30 police officers and soldiers were killed in the attack on Friday on a road leading to the strategic fishing town of Baga in Borno state. In a statement on Saturday, Borno state police said eight police officers and three members…