Two Newark police officers were shot by an unknown gunman firing from a building Tuesday afternoon, federal and state officials said. Few details were available as of 2:45 p.m., but officials said the assailant remained at large. The condition of the officers was not immediately available. Gov. Phil Murphy confirmed the shooting as officials scrambled to respond. “I am aware of and closely monitoring an unfolding situation in Newark. I am in touch with local authorities and the state is providing resources as requested,” said the governor. “We will continue to support local law enforcement and…