The five were reportedly killed on Saturday in an explosion that hit a residential building in the Western Villas area at Al Mazzeh of Damascus on Saturday, reports said.
The cause of the explosion is unclear; however, initial reports suggest an Israeli airstrike was the cause of the blast, added the sources.
According to media reports, several more people have been injured in the explosion.
Meanwhile, Ismail Al-Sindawi, the representative of the Islamic Jihad movement in Syria, said that none of the members and offices of the movement have been targeted in the explosion in Damascus.
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