He added that there was a possibility that 'there was a fire' after the crash.
After being brought to Hyderabad, YSR's body will be taken to the chief minister's camp office in Begumpet. The bodies of the other four people would be taken to their respective native places.
The chief minster's body will be kept at the Lal Bahadur stadium in Hyderabad from 10 a.m. Friday to enable people to pay their last respects.
Prime Minister Manmohan Singh and Congress president Sonia Gandhi and several union ministers are expected to arrive here.
On Friday, at 1 p.m., YSR's body will be taken to Pulivendula, his native town in Kadapa district where he will be cremated with state honours.
A cabinet meeting will take place at 2 p.m. Thursday where a condolence resolution will be passed, Rosaiah said.