Jason McGovern's death: Police arrest two men 3 January 2013 Last updated at 08:30 Police investigating the murder of 19 year-old Jason McGovern in Omagh have arrested two men. The two men aged 18 and 21 were arrested in Omagh on Wednesday. It is believed Jason McGovern of Tydavnet, Monaghan, was punched at a pub on John Street, Omagh, on Sunday. He was hit again two hours later at the Cunningham Terrace car park. The investigation will be led by the Police Service of Northern Ireland and supported by the Gardai. A post mortem examination showed the teenager's death had been due to a head injury he suffered during the initial assault.