A 48-year-old gunman was shot dead in the emergency room of a suburban Las Vegas hospital early Wednesday after police said he raised his weapon in their direction and threatened suicide.

No hospital employees or patients were injured in the 12:57 a.m. shooting at St. Rose Dominican Hospital Siena campus in Henderson, police said.

Two officers fired multiple times and fatally wounded the man when he refused commands to drop the gun, raising it toward them, police said. It was not immediately clear whether the man fired his gun before he was killed.

"Unfortunately this man lost his life. But the officers responded quickly and prevented any other injuries to staff or patients," police spokesman Todd Rasmussen said.

A nursing supervisor summoned Henderson police after the man "made some suicidal statements and said he had a gun," Rasmussen said. He said the man's family in Las Vegas also notified police that the man was suicidal around the same time.

About 30 people were in the emergency room at the time, police said in a statement.

The emergency room, which was closed for several hours while police investigated, reopened and was accepting patients, the hospital said in a statement Wednesday evening. Most of the hospital was open throughout the day.

The man's name was not immediately released.