PHILADELPHIA (AP) — Philadelphia officials are offering a $10,000 reward for information leading to the arrest and conviction of the suspects responsible for the fatal beating of a man trying to hail a cab outside a bar near Independence Hall.Twenty-three-year-old Kevin Kless was beaten shortly before 2:30 a.m. Saturday in the city's historic district. Investigators say Kless was yelling at a cab that was driving away when three men got out of a car behind the cab, possibly thinking he was yelling at them.Police say the men punched and kicked Kless, who fell to sidewalk severely injured. He was pronounced dead several hours later.Officer Christine O'Brien, a police spokeswoman, said Tuesday investigators are looking for the three men and the car's driver, all of whom fled after the assault.