Heavy clashes between Pakistani troops and Taliban fighters are going on in the key town of Ladha in the South Waziristan region. The army said 30 militants have been killed in the continuing offensive against militants which began in the region on 17 October. In a statement, the military said the security forces advanced into the stronghold of militants, the town of Ladha, amidst heavy clashes and street to street fighting. It said toops are securing the surrounding ridges and heights in the area. The military said security forces have also cleared a major part of Sararogha after taking it from the Taliban on Tuesday. Sararogha is said to be a Taliban operational nerve centre.