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The video covers increased security measures at statehouses across the US due to extremist threats, including the FBI's warning of potential armed protests leading up to Joe Biden's inauguration. It also reports on the arrest of a woman at a US Capitol checkpoint who falsely claimed to be part of the presidential cabinet. Additionally, the video discusses the quarantine of 25 tennis players in Australia after a positive COVID-19 test on their flight. The segment concludes with a promise of more news updates.

What was the reason for the quarantine of the tennis players?

What could happen to players if they breach quarantine regulations?