The results of the tests will not be available for several weeks, a hospital spokesman said.
He was not admitted, a hospital spokesman said last night.
The cause of death was heart failure, said a hospital spokesman.
He died of a heart attack, a hospital spokesman said.
Mother and baby are both well, said a hospital spokesman.
A hospital spokesman said the death was probably related to the heat.
A hospital spokesman said the boys were ready for release.
All of the packages had passed through his system by last night, said a hospital spokesman.
But he was in critical condition last night, a hospital spokesman said.
A hospital spokesman said: 'We believe it was a world first.