The United States on Monday condemned airstrikes conducted by the Syrian government and its supporters against civilian targets in northern Syria, including several hospitals.

U.S. State Department spokesman John Kirby said continuation of the attacks "flies in the face of the unanimous calls by the ISSG (International Syria Support Group), including in Munich, to avoid attacks on civilians, and casts doubt on Russia's willingness and/or ability to help bring to a stop the continued brutality of the Assad regime against its own people."

The State Department reiterated its call for all parties to end attacks against civilians and to allow humanitarian relief supplies to reach the people who need them.

UN Secretary-General Ban Ki-moon on Monday said close to 50 civilians have been killed and many more wounded in missile attacks on at least five medical facilities and two schools in northern Syria.

UN deputy spokesman Farhan Haq said that victims of the attacks included children.(Agencies)