Law enforcement block downtown Reno, Nev., streets during an active shooter response at the Montage apartment building, Tuesday, Nov. 28, 2017. A suspect is in custody after opening fire for at least 20 minutes Tuesday night, but there are no reports of any injuries, authorities said. The shots were fired at the Montage, a building in downtown Reno where SWAT teams and news vans have gathered. (Andy Barron/The Reno Gazette-Journal via AP)

RENO, Nev. - The Latest on a gunman who was killed by police in Reno after taking a hostage and opening fire from a high-rise condominium (all times local):

2:15 p.m.

Police say they don't believe a gunman who opened fire on a downtown Reno street from a high-rise condominium had planned the attack.

Reno Police Chief Jason Soto says the preliminary information indicates the Tuesday night shooting was an isolated incident.

He said in the statement Wednesday that "it does not appear that this was a pre-planned attack on our community."

The gunman was fatally shot by police. A woman who was taken hostage escaped injury and no one was seriously hurt.

Soto said a flood of 911 calls were instrumental in prompting a quick response by law enforcement shortly before 7 p.m.

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9:45 a.m.

Reno police say a gunman who was killed by a SWAT team after he opened fire on a downtown street from the eighth-floor of a condominium may have been suffering from mental issues.

Sparks police officer Ken Gallop said Wednesday his department is investigating Tuesday night's shooting. No one else was seriously hurt.

Reno Deputy Police Chief Tom Robinson says radio chatter indicated the suspect who had taken a woman hostage may have been seeing things.

Robinson says the man appears to have been in his mid- to late-20s. It's not clear if he or the hostage lived in the Montage apartment building a block off the main casino drag.

Stephen Paddock, who killed 58 people from the 32nd floor of a Las Vegas hotel-casino, had owned a unit at the Montage. Records show he sold the property in December 2016.

Robinson says police don't know if the shooting may have been a copycat.

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6:45 a.m.

An officer-involved shooting is under way in Reno after police shot and killed a gunman who took a hostage and opened fire on the streets below from the eighth floor of a downtown condominium.

Sparks police officer Ken Gallop said Wednesday the gunman was killed after Reno police and a county SWAT team converged on his room in the high-rise a block off the main casino strip shortly before 7 p.m. Tuesday.

He says another woman suffered a superficial wound to her hand but the hostage is safe. No other injuries have been reported.

Police shut down several streets and evacuated the surrounding area when the gunman opened fire from the luxury apartment building.

Gallop says it appears he acted alone. He says an investigation is under way in compliance with the regional officer involved shooting protocol.

News from © The Associated Press, 2017