An explosion shook central Damascus residents said, with state media reporting a "terrorist explosion" had caused casualties.
Syrian television said the explosion was in the Mazraa district of the capital. The Syrian Observatory for Human Rights, which monitors violence in the country, said initial reports suggested a building of the ruling Baath Party was targeted.
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One story dominates Thursday's front pages with some newspapers printing emotive pleas to voters to keep the United Kingdom as one.
After a mild start temperatures should pick up, with the south of England seeing highs of 26C.
In Edinburgh tonight you can hear it and feel it. The buzz, the banter of the day and the thrilling sense something big is coming tomorrow.