HUNDREDS of security forces patrolled tense streets in the Indonesian province of central Sulawesi yesterday to prevent revenge attacks after assailants wearing black veils beheaded three Christian schoolgirls and seriously wounded a fourth. National police spokesman Major-General Aryanto Budihardjo said the murders were carried out by "terrorists" seeking to destabilise the area, which has long been plagued by violence between Muslims and Christians. He said it was no coincidence the attack occurred just days before the biggest holiday on the Islamic calendar. More than 1,500 soldiers and police armed with assault rifles patrolled the town of Poso yesterday, as Muslims...