Philippines' Duterte apologises for urban war

Philippine President Rodrigo Duterte apologised Tuesday for a military offensive that has left the nation's main Muslim city in ruins, but said it was needed to crush militants linked to the Islamic State group.Duterte also vowed that US-backed air strikes on Marawi would continue, as the conflict entered its fifth week with no sign of an end and its reported death toll climbed towards 370.The fighting has seen Marawi, considered the Muslim capital of the largely Catholic Philippines, turn from