A large sum of cash was reportedly stolen from a suburban house during a home invasion. (HANDOUT/NSW POLICE)A large sum of cash was reportedly stolen from a suburban house during a home invasion. The man was believed to have been punched before a "large sum" of cash was stolen from the property. "We are looking for four aggressive, dangerous men, who may be armed with a firearm," Superintendent Rodney Hart said. The scene is near a childcare centre, but Supt Hart said police were communicating with staff throughout the operation.