"According to preliminary information, 14 people have died and 28 were injured [in the explosion]," the source said.
According to the source, the explosion took place in the centre of the city. He added that the place was crowded and the death toll may rise.
In April, at least nine people were killed in a mine explosion and the detonation of two car bombs in Raqqa, according to the Hawar agency, citing a source in a city hospital.
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