At least 27 people were killed and 50 others were wounded early Monday after a head-on collision between two passenger buses in central Pakistan, officials said. The two buses, carrying around 100 passengers, collided in the town of Khanpur, some 800 kilometres (497 miles) south of the capital Islamabad. "At least 27 people have been killed in the accident and 50 others were wounded," local government official Zafar Iqbal told Rescue workers were attempting to pull people out of the wreckage, with fears that the death toll could rise, Iqbal said. Local police chief Mehar Arsal said the buses slammed into trees after colliding with each other. At least 27 killed as two buses collide in Khanpur.