The man accused of shooting a man in the chest at a downtown Calgary LRT station appeared in court to face charges of attempted murder in court on Monday.

David Eugene Traynor is charged with six offences after he alleged shot a man he was in an argument with on the 7 Ave. CTrain station on Friday night.

Traynor appeared before a judge without a lawyer, answered a few questions, but the matter was ultimately put over.

Witnesses say one man pulled out a gun and shot the other in the chest, then ran away.

The victim was rushed to hospital where he remains in critical condition.

Police say he has already undergone a surgical procedure and is scheduled to have another later on Monday.

Police released a surveillance photo of a suspect over the weekend.

They say they received numerous tips from the public following the release of the photo, and those tips eventually led them to Traynor.

Traynor is expected to appear in court again next week.