A powerful explosion has rocked the Syrian capital, Damascus, killing up to 7 people, Reuters reports, citing state TV.

The blast was caused by a suspected suicide bomber, Reuters says.

It reportedly hit the Kafr Sousa neighborhood, which is a heavily guarded area with Syria’s key security installations located there, Reuters adds.

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Meanwhile, Interfax reports, citing local TV, that at least 15 people have been injured, also naming Kafr Sousa as the targeted district. Preliminary reports suggest the explosion was a terrorist act, Syrian television says.

Just days ago, at least five people were killed and over a dozen injured, including women and children in a blast near the town of Sa’sa’ in west of Damascus.

The explosions come amid a ceasefire currently in place in Syria. A halt to hostilities was agreed back in December and brokered by Russia and Turkey. Yet the agreement does not include a stop to military action against terrorists like ISIS, the sides said.

Despite the ceasefire, the country has still witnessed a spate of attacks against the civilian population.

Earlier in January, a car explosion in the rebel-held Syrian town of Azaz reportedly left dozens people dead. And prior to that, on January 5, at least 11 people were killed and dozens injured when a car bomb went off in the town of Jableh, located in Syria’s Latakia province.