Complex sentence: In one such refugee residence, a 35-year-old alleged ISIL terrorist from Algeria was detained, who was reported to have planned a terror attack in Berlin, which was compared with the Recklinghausen case because both perpetrators used multiple identities.
Split into simpler sentences: In one such refugee residence, a 35-year-old alleged ISIL terrorist from Algeria was detained. He was reported to have planned a terror attack in Berlin, which was compared with the Recklinghausen case because both perpetrators used multiple identities.