PHILADELPHIA (CBS) – Police are investigating a double shooting in the Wynnefield section of the city Tuesday evening.

Authorities say two men were shot at about 5 p.m. near 54th and Berks streets.

Police located a silver SUV believed to be involved in the shooting at Presbyterian Hospital. Authorities say one of the men who was shot drove himself to that hospital. His condition is not yet known.

The second male, who police say was shot in the face, was transported by medics to the Hospital of the University of Pennsylvania where is reportedly in critical condition.

Authorities are investigating whether the two men were shooting at each other.