Syrian security forces fired on tens of thousands of mourners during funeral processions today, killing at least six people following the deadliest day of the uprising against authoritarian President Bashar Assad.

Syrian security forces fired bullets and tear gas at tens of thousands of protesters across the country, killing at least 75 people in the bloodiest day of the month-long uprising and signalling that the authoritarian regime was prepared to turn more ruthless to put down the revolt against President Bashar Assad.

Syrian security forces fired bullets and tear gas at pro-democracy demonstrations across the country today, killing at least 49 people – including a young boy – in the bloodiest day of the uprising against President Bashar Assad’s authoritarian regime, witnesses and a human rights group said.

Security forces have surrounded a port city in Syria where protesters are gathering for another day of demonstrations against the country’s authoritarian regime.

Syrian security forces have fired live ammunition to disperse a funeral march for some of the 37 people killed a day earlier in the single bloodiest day of the country's three-week anti-government uprising.

A prison riot near the Syrian capital of Damascus killed at least nine people today, according to a human rights activist in contact with the prisoners.