President Asif Ali Zardari and Prime Minister Muhammad Shehbaz Sharif have expressed deep grief and sorrow over the tragic fire incident at PIMS Hospital in Islamabad.

In their separate statements, they said tragic deaths of the newborn babies are extremely heartbreaking and an irreparable loss.

President Asif Ali Zardari directed that those responsible for the incident be identified and action be taken against them in accordance with the law.

According to a statement released by the Prime Minister office, Shehbaz Sharif directed the authorities to conduct an immediate investigation.

He said circumstances leading to the incident must be thoroughly examined, those responsible must be identified and the strictest possible action must be taken.