BEIRUT - Syria accused "terrorists" of planting a roadside bomb that blew up in Aleppo, killing one officer and wounding at least 24 cadets and officers in an attempt to sabotage a UN-backed ceasefire, state media said on Thursday.

"At eight in the morning a terrorist group targeted a bus carrying a number of officers driving to work in Aleppo," it said. The blast killed a lieutenant colonel and civilians were among the wounded.

There was no independent confirmation of the blast in Syria, where media access is severely restricted.

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