AMBRIDGE, Pa. (AP) -- Police say three people were shot in an altercation outside a Pittsburgh-area bar. Ambridge Police Chief James Mann tells the Pittsburgh Post-Gazette that two men and a woman were shot outside the Colonial Grill shortly after 1 a.m. Sunday. He says one man was flown to the hospital in serious condition with a chest wound. Another man remained hospitalized with a gunshot wound, while the woman was treated and released. Mann says several women got into an altercation inside the bar. He says the argument spilled into the street, and a man began shooting a .40-caliber pistol. He says 18 shell casings were recovered. Police are looking for the gunman.