Allentown police are investigating a shooting that left one man hospitalized in serious condition.

The incident happened around 3 a.m. Friday in the 600 block of North Seventh Street.

Police said when they arrived at the scene, there was no victim or suspect, but a short time later, the 24-year-old victim walked into a local hospital with a gunshot wound. Police could provide no information about how he was shot.

There are no suspects at this time, and an investigation is underway.

No other information was available.