Police in Turkey detained at least 124 people suspected of links to the terror group Islamic State, the state-run news agency reported on Monday. At least 33 foreign nationals were detained in the capital Ankara in a joint operation by anti-terrorism police and the national intelligence agency, the report said. In Istanbul, police raided 31 houses, detaining 24 suspects, including four foreign nationals. Pre-dawn raids were conducted in the city of Batman, where 22 suspects were detained. The country was hit by a wave of attacks in 2015 and 2016 blamed on IS and Kurdish militants that killed over 300 people.