Boards.ie The internet forum boards.ie is attacked by hackers, forcing it to go offline and change the passwords of thousands of its users.
Yemen Yemen stops issuing visas at international airports to "halt terrorist infiltration" following the Christmas Day bomb plot.
General Motors General Motors confirms it will close an Opel factory in Antwerp, Belgium, cutting 2,300 jobs.
Parliament The Parliament of Angola approves a new constitution that abolishes direct presidential elections.
United States United States Supreme Court overturns campaign spending limits by corporations and unions.
Virginia Virginia, United States shootings suspect Christopher Speight is charged with first degree murder.
United States The United States sends an additional 2,000 troops to Haiti to help with earthquake relief efforts.
U.S. investment bank Goldman Sachs reports a sharp increase in profits for 2009, beating analysts' expectations.
Cyber attacks U.S. Secretary of State Hillary Clinton calls on China to investigate the cyber attacks on Google.
Chinese Vice-Foreign Minister He Yafei downplays the government's row with Google, saying it does not affect relations with the United States.