The statement did not say what the personal business was.
He died on the way to a hospital, the statement said.
The project will probably cost more than $75 million, the statement said.
A statement from his office said that at least eight children were among the dead.
The statement did not say where the news conference would be held.
The statement said that he would continue to work during his treatment.
The first meeting will be this fall, the statement said.
"I was getting high in another building" at the time, the statement said.
The statement did not say what, if anything, he received.
The cuts will go into effect in the next few days, the statement said.