Miami (CNN) -- Two people were killed and 10 others injured in a nightclub shooting early Thursday morning in Broward County, Florida, police said.
The shooting occurred at the South Rock Lodge Bar & Grill, a Caribbean establishment in Lauderdale Lakes, said Broward County Sheriff's spokeswoman Dani Moschella.
An altercation between two men escalated when one of them brandished a gun, Moschella said. An armed security guard ordered the man to drop his weapon but he did not comply.
Homicide detectives are investigating the shooting. Both men in the altercation died.
The 10 people who were injured were taken to area hospitals. Their injuries are serious but not life-threatening, Moschella said.