A vehicle that blasted near Syria's ruling party headquarters in Damascus, is thought to have been carrying one and 1.5 tonnes of explosives, killing 52 people, Damascus Governor Bishr Sabban told Reuters.
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Finnish media say several people have been wounded in a stabbing in the city of Turku in western Finland.
Longer spells of rain across eastern Scotland with a weather warning in place until 6pm.
Julian Cadman, who is thought to have dual British-Australian nationality, became separated from his mother who was injured in the attack.