More recently President Barack Obama posed for an official photograph with President Obiang at a New York reception.

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The invitations to Sunday's Christmas reception did not include Nusseibeh's official title, unlike the invitations to the Eid al-Fitr event, his spokesman said.

CNN: Israel bans Arafat Christmas Eve visit

While neither Sega or Gearbox are making any official comments on the matter, the release and reception of the long-delayed Aliens: Colonial Marines shooter has sparked renewed controversy.

FORBES: From 'CodeHunters' To 'Aliens: Colonial Marines': Gearbox Is One Of The Most Controversial Studios In The Business

Obama's swearing-in on Sunday took place in the ornate Blue Room, an oval-shaped reception space in the president's official residence, where he was joined by his wife, Michelle, and his two daughters.

CNN: Obama sworn in to second term, faces new challenges

Sir John, who is stepping down as commissioner on January 31, was speaking at the launch of The Official History of the Metropolitan Police, at a reception also attended by Home Secretary David Blunkett.

BBC: NEWS | UK | Politics | Police chief backs Blair's pledge

On Monday, the Queen made her first official public appearance in more than a week at a Marlborough House reception, where she signed the new Commonwealth charter.

BBC: Queen cancels more engagements