A gay club in Orlando, Florida, which was the target of a bloody terror attack exactly five years ago, becomes a national memorial.

The Pulse nightclub is hallowed ground, US President Biden said in a statement.

Biden stressed it was the deadliest attack on the so-called LGBTI community in US history, and the deadliest mass shooting by a single gunman at the time.

49 people, mostly young people, were killed in the attack.

"Within minutes, the Pulse nightclub, which had long been a place of acceptance and joy, turned into a place of unspeakable pain and loss," Biden said.

The perpetrator was a Muslim who said he was acting on behalf of the Islamic State terrorist group.

The police shot him dead.

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Pictures of Orlando gay club shooting released

Biden: Gun Violence in US Is Epidemic

The president went on to say that more is needed "to tackle the public health epidemic of gun violence in all its forms," ​​from mass shootings to the daily acts of violence that fail to make the national newspapers.

He called on the Senate of the House to act on this, including on the bill to provide legal protection for differently-minded Americans.

See also: This is why there are still no stricter gun laws in the US