Complex sentence: Faisalabad is the home of Salafi University, a religious institution, supported by donations, that provides free room and board to international students--a number of these have been captured on suspicion of being tied to terrorism.
Split into simpler sentences: Faisalabad is the home of Salafi University, a religious institution, supported by donations, that provides free room and board to international students. Many of these international students have been captured on suspicion of being tied to terrorism.