Teenager killed in Bahrain anniversary protests
14 February 2013 Last updated at 14:13 GMT
The Bahraini government has announced an investigation into the death of teenage boy during protests marking the second anniversary of a failed uprising.
Anti-government demonstrators have set up road blocks and clashed with members of the security forces.
Opposition groups have called for a general strike.
The BBC's security correspondent Frank Gardner says the day has been "highly charged".