A search is on tonight for a man who robbed the Polk Texaco at Frank and the Loop in Lufkin. Workers said a man came into the gas station claiming to have a gun. Police were unable to confirm if there was a gun or not. Surveillance video showed a young black male getting in a white suv, possibly a Tahoe or Yukon with a black luggage rack on top. If you have any information please contact Lufkin police.