London - Police in central England warned the public to stay away Sunday from a shopping centre where a gunman reportedly took two employees at a bowling alley hostage.Warwickshire Police confirmed on Sunday they were dealing with an incident t Bermuda Park, a shopping and leisure centre in Nuneaton near Birmingham. The force said the problem was not terror-related, but provided no details.No injuries were reported.Mehdi Amshar, chief executive of the MFA bowling alley, told Sky News that he was informed the two employees were being held at gunpoint at the company's Nuneaton branch.Amshar said he believed the gunman was an ex-husband or former boyfriend of an employee, but he said he wasn't sure. All customers were able to leave the premises and were unharmed, Amshar said. There had been no contact with the two staff members since the commotion was reported, he said."All our staff, the rest of our staff, are safe and they made sure that all the customers have left the premises so everybody is in safety, with the exception of the two people who are missing," he told the broadcaster.An eyewitness told Sky a nearby restaurant was in lockdown."We got notification that someone had a shotgun inside the bowling alley," the witness, Sarah Fleming, told Sky News. "Then we had notification from the police that he actually had hostages.