Complex sentence: In May 2011, several expatriate Pakistanis crossing the border at Torkham were routinely being harassed and bothered by intelligence agencies in Pakistan; some were asked repetitive questions as to why they were going to Afghanistan while others had their materials and laptops searched.
Split into simpler sentences: In May 2011, several expatriate Pakistanis crossing the border at Torkham were being asked irritating questions by local authorities. One was asked as to why he was going to Afghanistan while others had their materials and laptops searched.