A 36-year-old man, who is suspected to have planted the explosive at the Mangaluru Intentional Airport, surrendered before the police, officials said. The man turned up at the DGP and IGP office, where he has been detained for inquiry and medical tests. The suspect has been identified as Adithya Rao, they said, adding he resembled the one captured on CCTV footage at Mangaluru airport.