Dozens more have been injured or arrested amid the protests against social security reforms proposed by President Daniel Ortega's government.
Police are trying to locate the suspect, who is believed to have fled after a customer grabbed his gun.
The gymnast says she spoke up after team doctor Larry Nassar 'went overboard'
Scott Pruitt met in his office last year with a veteran Washington lobbyist tied to the bargain-priced condo where the EPA head was living.
Another 112 people were wounded, according to public health officials.
