PESHAWAR/ISLAMABAD: Pakistan Army has moved heavy artillery towards the Pak-Afghan border in Chaman and Torkham districts, security officials said on Monday. The move came two days after the military decimated camps of the Tehreek-e-Taliban Pakistan’s (TTP) Jamaatul Ahrar (JA) faction on the Torkham border opposite Mohmand and Khyber tribal regions. The group, which claims to be behind the recent wave of terrorist attacks, is holed up in Afghanistan. Meanwhile, four terrorists of banned terrorist outfit Tehreek-e-Taliban Pakistan in Tank District of Khyber Pakhtunkhwa. According to details, security forces were searching for criminals in Ping, an area adjacent to Tank when they had an encounter with TTP-Shaheen group. Commander Umar, the son of former TTP commander Asmatullah Shaheen, Zalamdin alias Zalmak, Zaman alias Toofan and Wasiullah were killed. Separately, at least two terrorists were killed during a search operation in Dera Bugti. Sources said that FC, peace force and law enforcers are continuing operation against the criminals in Dera Bugti and its adjacent areas following the recent wave of terrorism in the country. During the search operation, terrorists opened fire on security forces. In retaliatory firing two terrorists were killed while some others managed to escape. Arms and ammunition have been seized from them. Some suspicious people were also apprehended during operation in the area and shifted to an undisclosed location. Meanwhile, at least seven terrorists were killed while one Rangers official was injured during an encounter in the Malir area of Karachi. Sources said that on a tip, Rangers carried out a search operation in Shah Latif Town. Terrorists opened fire on Rangers. In trade of fire, seven terrorists were killed while one Rangers official sustained injuries. Rangers’ spokesperson said that all the terrorists were affiliated with a banned outfit. Separately, law enforcers arrested two alleged facilitators of Hayatabad blast from Darra Adam Khel. Sources said the arrested persons were traced while following the information collected from their accomplices, who have been arrested on Sunday. Meanwhile, 538 suspects were arrested in search operations in Peshawar, Bannu, Swabi, Rawalpindi and Islamabad. Meanwhile, ASF arrested two suspects from Lahore airport. They were spotted involved in dubious movements near runway. They have been shifted to an undisclosed location for interrogation.