Barack Obama a First Entry to White house Michelle LaVaughn Robinson Obama
OBAMA Arrives at capital hill
Millions of people have gathered in the US capital to see Barack Obama sworn in as America's 44th president - and its first African-American leader.
Crowds packed into the National Mall from dawn in a cold and wintry Washington DC, to witness Mr Obama take the oath of office at 1200 (1700 GMT).
Unprecedented security is in place, with 40,000 security personnel either on duty or stand-by in the city.
Across the US, there is a sense of history being made, correspondents say.
Anticipation has been building across the US ahead of the ceremony, held on the steps of the US Capitol, where Congress sits.
See map showing key sites of Inauguration Day
But the new president faces serious challenges. America is gripped by uncertainty as the economy faces its worst crisis in decades.
Mr Obama must also handle wars in Iraq and Afghanistan, and seek to resolve the Israeli-Palestinian conflict.
In Washington, homeland security officials said they were monitoring a "potential threat" of "uncertain credibility" on inauguration day.
Church visit
Hundreds of thousands of visitors arrived in Washington in the days before the inauguration, and vast numbers braved early-morning cold to secure a vantage point for
what's that clicking noise?
Deidara188 3 years ago
how do i watch live?
darelone1881 3 years ago