British warns of 'day of reckoning' for Syrian regime

(CNN) -- The opposition accused Syrian forces of executing 10 people Friday in a shattered rebel stronghold in Homs as Britain's leader warned President Bashar al-Assad's regime will face a "day of reckoning."

The harsh rebuke by British Prime Minister David Cameron came the same day an aid agency said truckloads of food and medical supplies arrived in Homs and was bound for Baba Amr, the flashpoint neighborhood in a nearly yearlong uprising that has left thousands dead.

"Above all, what I think matters is building the evidence and the picture so we hold this criminal regime to account, and to make sure it is held to account for crimes that it is committing against its people," Cameron told reporters outside a meeting of leaders of the European Union in Brussels, Belgium.

"And one day, no matter how long it takes, there will be a day of reckoning for this dreadful regime."

Cameron described a growing humanitarian crisis as "absolutely appalling" and demanded that humanitarian aid be allowed into Homs and elsewhere. Read More