I wish to thank Paul for his dedicated and unstinting work, particularly in the area of anti-racism. I am saddened by this turn of events and it is with regret that we accept Paul's resignation.
However, the use of discriminatory language is unacceptable regardless of its context and in effect has made Paul's position untenable.
More top news
Malicious software that can be used for long-term surveillance operations has been discovered by computer security company Symantec Corp.
A soldier who lost a leg when he was trapped in an Afghanistan minefield has spoken of the controversial rescue mission.
A Russian tourist has been fined 20 Euros (£15,829) for engraving a 10-inch tall letter 'K' on a wall of the Colosseum in Rome with a stone.