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A Las Vegas councilman and retired police captain said Sunday's massacre is a wake-up call that authorities have to think outside the box to prevent attacks like this in the future.

Stavros Anthony said that police officers are trained for active shooter situations, but there was no way to foresee this mass shooting.

"Who's going to think that somebody's going to take 20 guns up to a suite in a major hotel, knock out the windows, and start shooting down on people?" Anthony said. "Nobody really thought of that particular scenario. And now we do. We have to really start thinking outside the box on what some nutcase is capable of doing."

He said in the months to come, they will be training for these types of situations.

Anthony pointed out that Las Vegas hosts thousands of events every year and has long been one of the safest tourist destinations in the United States.

"This guy maybe changed all that, and we're going to have to start thinking about some things that we may need to do to keep our community safe," he said.

At least 59 people are dead and more than 500 are injured after gunman Stephen Paddock opened fire on an outdoor music festival from his room on the 32nd floor of the Mandalay Bay Resort and Casino. It was the deadliest mass shooting in modern United States history.

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