The toll in Friday's devastating fire in a private school in Kumbakonam in Tamil Nadu's Thanjavur district has risen to 90.

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Two more children succumbed to their injuries at the Government General Hospital early Saturday morning, Thanjavur Disrtict Collector Dr J Radhakrishnan said.

Doctors said out of the 17 critically injured children, 13 are out of danger now. Arrangements are being made to move two children to a Chennai hospital in an air-conditioned ambulance.

Burns specialists from Chennai have been called in to help local doctors.

Radhakrishnan said the dead include 43 girl students. He said more than 60 bodies were cremated late Friday night.

The unidentified bodies have been kept in cold storage.

Four persons -- the school's correspondent, two cooks and the noon meal supervisor -- have been arrested so far.

Union Information Technology and Communications Minister Dayanidhi Maran, who visited the town Friday night, said he hoped the officials would take necessary steps to prevent such mishaps.