(CNN) Authorities in Sudan have suspended all schools beginning on Wednesday after street protests turned deadly, according to state news agency SUNA.

"The Secretary General of the Federal Government Bureau, Siddiq Gumaa Babal-Khair, has directed the caretaker Walis (governors) of States to suspend education at all the school levels as of Wednesday," SUNA reported, citing a directive of the Sudanese Transitional Military Council.

The government's decision to close schools came a day after children in their school uniforms took to the streets nationwide to protest the killings during Monday's demonstrations in the city of El-Obeid, where security forces opened fire to disperse demonstrators, according to opposition groups.

At least six people, including four students, were killed and 62 people were injured in the demonstrations over living conditions and food shortages, according to the Central Committee of Sudan Doctors (CCSD)

Sudan is in the middle of political upheaval which led to the ouster in April of former president Omar al-Bashir, who had ruled for 30 years. Demonstrations that led to Bashir's exit have continued in the nation with many calling for a transitional civilian government.

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