Monica Hernandez, from broadcaster WWL-TV in New Orleans, reports that police say 17 people were wounding in the New Orleans shooting.
Police now saying 17 people were wounded in the mother's day shooting in the 7th ward.
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An 'unarmed' black man, who was reported to be mentally ill, has been shot dead by police in California after his sister called for help.
"Rubble fell in on intensive care patients" in the early hours of Wednesday, medics said.
The inquiry's most senior lawyer is said to be considering stepping down after disagreeing with its chairwoman Alexis Jay over its future.