“A “mob” supporting US President Donald Trump has violently clashed with law enforcement, sending the Capitol into chaos, locking the building down and halting the vote to certify Joe Biden’s presidential victory.

“Dozens of people breached security perimeters at the Capitol and representatives inside the House chamber were told to put on gas masks as tear gas was fired in the Rotunda on Wednesday (local time).

“An announcement warning of an “external security threat” was played inside the Capitol as members of Congress were meeting and expected to vote to affirm Mr Biden’s victory.”

Read more at ABC