Scores were injured when Chavez supporters clashed with opposition demonstrators

Police used rubber bullets and tear gas to keep the two sides apart

At least three people were wounded after unidentified gunmen opened fire

Pro-Chavez protesters tried to prevent their opponents marching to the city's main barracks

The crippling strike began early in December when protesters demanded Mr Chavez' resignation

Many of the country's oil workers, including tanker crews, joined the stoppage

The oil industry - the main source of government revenue - has been virtually paralysed

The government drafted in soldiers to keep limited fuel supplies running