Three people were injured in a landmine explosion near Pat Feeder area and four electricity towers were blown up in Dera Allah Yar and Hub areas of Balochistan, BBC Urdu reported on Monday. It quoted police officials as saying that a tractor-trolley hit a landmine in RD-238 area of Pat Feeder injuring three people. In another incident, four power pylons were blown up in Dera Allah Yar and Hub, resulting in suspension of power supply to some areas of Hub. The BBC also claimed to have received reports of tension prevailing from Shah Zen to Zen Koh areas of Dera Bugti. Claiming to be a spokesman for the defunct Baloch Republican Army, one Sarbaz Baloch told BBC by telephone that security forces and miscreants had clashed in the areas. The government, not confirming the incident, said a search operation was underway in Dera Bugti and Kahan areas and some arrests had been made. The locals told BBC Urdu that security forces had arrested about 200 people and also took away their cattle.