London, March 16 (IANS) Three British teenagers suspected of travelling to Syria to join the Islamic State (IS) terror group were stopped by authorities in Turkey, British police said on Sunday. According to the Scotland Yard, the youth included two boys aged 17 from **rthwest London and one man aged 19, Xinhua reported. "******rs alerted the Turkish authorities who were able to intercept all three males, preventing travel to Syria. They remain in detention in Turkey," a British police spokesman said.