At least 25 people have been killed and dozens more wounded as several explosions ripped through the center of Aleppo.

The blasts occurred at Saadallah al-Jabiri Square near a military officers' club and a hotel in the city of Aleppo, says Reuters.

A Syrian government official says at least 25 people have been killed and more than 70 people wounded in a series of bombings that struck the northern city of Aleppo.

The northern city of Aleppo, Syria's commercial hub and largest city, has seen intensified fighting between regime forces and rebels trying to oust President Bashar Assad, especially after the fighters launched a new offensive last week.