VIDEO: Watch the moment police storm Lindt cafe in Sydney

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Video footage aired early Tuesday in Australia showed police officers trying to break into a building where several hostages had been held.

Gunfire could be heard in the vicinity of the cafe in Sydney where hostages are being held.

Two people are dead after the Sydney hostage siege, one of whom may be the gunman, and three other people are injured and in serious condition, CNN affiliate Channel 7 reports. The siege ended after a series of flash bangs and five minutes of a firefight; police then moved in wearing night vision goggles.

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