By Joseph Wilkes & Ffion Lewis Police and officials have shared details of a horrific major incident which saw two police officers and a paramedic killed by a man with a large arsenal of weapons who was holding seven children hostage. At a press conference this afternoon, the authorities confirmed that they were called in the early hours of Sunday and the man began firing from multiple locations around the house after police spent some time negotiating with him. Law enforcement confirmed that police were called at 1.50am on Sunday, February 18 to a report of a domestic situation, with the call…