Sri Lanka, Jan. 21 -- Joe Biden has been sworn in as the 46th US president at the US Capitol in Washington. Vice-President Kamala Harris has taken her oath too - becoming the first woman to hold that position.

In his first speech, Biden said "this is democracy's day" and that the US "has much to do in this winter of peril, much to repair". The new president said the country must confront the rise of white supremacy, and reject manufactured facts.

Biden reflected on that dark moment for the nation several times during his speech, noting that the world is watching after its entire system of government came under attack.

"Here is my message to those beyond our borders: America has been tested and we've come out stronger for it. We will re...