Julie Bailey, founder of campaign group Cure the NHS told Daybreak that NHS boss Sir David Nicholson is "ultimately responsible" for what happened at Stafford Hospital.
She said, as former Chief Executive of the strategic health authority, what happened at at Stafford Hospital happened "under his watch".
More top news
Several of victims had life-threatening injuries, police said.
The helicopter, which the royal was not in at the time, avoided a potentially deadly mid-air crash.
The shots on a bus sparked a major security scare as weekend tourists in some of the world's most famous casinos were told to bunker down.