DOUMA, Syria: New regime air strikes and heavy clashes shook Syria’s rebel enclave of Eastern Ghouta on Sunday despite a UN demand for a ceasefire to end one of the most ferocious assaults of Syria’s civil war.After days of diplomatic wrangling, the Security Council on Saturday adopted a resolution calling for a 30-day ceasefire in Syria "without delay", to allow for aid deliveries and medical evacuations.President Bashar al-Assad’s forces launched a major bombing campaign against the...