George Zimmerman has apologised to the family of the black Florida teenager he shot dead in a surprise testimony before being granted bail.
New York police have prevented protesters from shutting down Wall Street, arresting more than 200 people in repeated clashes.
Less than two dozen Occupy Wall Street protesters have stayed over in a downtown park that had been home to hundreds before the city cleared the site.
New York’s billionaire mayor has lashed out at Occupy Wall Street protesters, calling them despicable after reports of self-policing in the movement.