As it happened: Top Syrian ministers 'killed'

Key Points

• Syria's Defence Minister Daoud Rajiha and his deputy, President Assad's brother-in-law Assef Shawkat, have been killed in a blast in Damascus, state media report
• Hassan Turkomani, the assistant to the vice-president, also died and other senior officials were injured in the blast at the National Security Building, says state TV
• The reports come after days of fighting in the capital, and 16 after the uprising against President Bashar al-Assad began
• Syria has vowed to take revenge while at least two groups have claimed responsibility for the deaths, including the Free Syrian Army
• The UN Security Council was due to vote for a new resolution on Syria but has delayed it until Thursday morning
• All times are in BST