Gunman injures 6 in Houston nightclub shooting.

A mass shooting outside a Houston club left at least 6 people injured, one in critical condition. Police are investigating the incident and examining surveillance footage to identify the shooter. No suspects are in custody yet. The victims' ages ranged from their late 20s to early 30s, and they were transported to several hospitals in the area. Police advised partygoers to leave bars and clubs prior to closing and to avoid large crowds trying to leave venues at the end of the night.