The main suspect linked to a major heroin smuggling operation was arrested at the Bandaranaike International Airport (BIA), the police said.The suspect, a Sri Lankan, was arrested after returning to Sri Lanka from India. Among those arrested are a Singaporean, 10 Iranians, two Pakistanis and one Indian. All the suspects have been remanded. (Colombo Gazette) Two others were also arrested today in Negombo, the police said. So far 14 foreigners have been detained in Sri Lanka over the 110kg of heroin worth US$7.5 million seized from an Iranian fishing trawler in the country’s biggest drug bust in nearly three years.