PHILADELPHIA (AP) -- Police say a man was robbed and then thrown into a north Philadelphia construction site, where he was impaled on a piece of rebar. A police spokeswoman told Philly.com (http://bit.ly/1npPAs1 ) that three or four males chased the 38-year-old victim down Broad Street, then beat and robbed him early Monday. She said that the robbers then picked the man up and tossed him into a Southeastern Pennsylvania Transportation Authority construction site on North Broad Street. Police said the man fell onto an iron rebar that pierced his abdomen near his stomach. He was taken to Albert Einstein Medical Center, where he was reported in stable condition Monday afternoon. Police said the three assailants fled north on Broad Street. No arrests were immediately reported.