Protests are taking place around the world to demand intervention to end the fighting in Sudan's Darfur region.

Organizers of Global Day for Darfur say events will take place in over 35 capitals to mark the fourth anniversary of the conflict.

Celebrities backing the campaign, such as Mick Jagger and George Clooney, have signed a statement accusing the international community of apathy.

Some 200,000 people have died since the conflict began, according to the UN.