British police have arrested a man on suspicion of terrorism offences after his arrival at Luton airport. The 24-year-old man, who had flown in from Turkey, was detained<strong> </strong>on Monday<strong> </strong>as part of an investigation by the Metropolitan Police's Counter Terrorism Command. The man was suspected of being part of a banned organisation, police said. The suspect was taken into police custody and subsequently released, the Met police said, but remains under investigation. <em>More to follow </em>