Lebanese state media says explosion heard near a school in Shiite-dominated town.

BEIRUT – Lebanon's state media says an explosion has been heard near a school in a Shiite-dominated town in the northeast of the country.

It did not give a cause or mention casualties for the late Saturday blast in Hermel.

Sunni militant groups have claimed responsibility for attacks on Shiite parts of Lebanon in retaliation for the Shiite Hezbollah group sending its fighters into Syria's civil war.