A man aged 27 died at Manchester Airport after swallowing cocaine hidden in his underwear, sparking an investigation into the sudden death at Terminal 2

A man has died at Manchester Airport after he was seen "displaying unusual behaviour" before being arrested, the police watchdog has said.The Independent Office for Police Conduct (IOPC) said it was investigating the circumstances after the 27-year-old was pronounced dead at 13:53 GMT.

Multiple sources have confirmed he was searched and arrested after drugs were found in his underwear. He was taken to a holding area after his arrest, where he became unwell. Paramedics were called, but he was pronounced dead at 1.53pm. READ MORE : EastEnders legend issues plea to fans amid concern over 'mistakes' during live episode

The Independent Office for Police Conduct says the man, 27, was arrested after "displaying unusual behaviour" at Manchester Airport where he was set to travel on Wednesday.

The IOPC has launched an investigation into the man's death, which occurred after he was detained by Border Force officers.

A 27-year-old man has lost his life at Manchester Airport after exhibiting 'unusual behaviour' and being detained by border force officials. It is understood the man was intercepted while going through security in Terminal 2,