Powerful aftershock hits quake-stricken Philippine city

One person was killed and several others injured on Sunday when a powerful aftershock hit a southern Philippine city still recovering from a quake last month, authorities said.The 5.9-magnitude quake struck the southern city of Surigao and surrounding areas, causing some walls to collapse, government seismologists and civil defence officers said.One woman died of a heart attack while at least 29 people were injured, local television reports added.