The 13 wounded were aged from 10 to 59, and suffered injuries ranging from serious to minor, Saunders said.
Witnesses reported hearing about 20 shots.
The hospital isn't releasing the patients' ages, genders or other details.
There was a shooting on a street in Toronto in Canada on Sunday night.
Police haven't disclosed his motive. The gunman shot 14 people, leaving two dead and the rest injured.
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Ontario's Special Investigations Unit (SIU), which probes police-involved shootings, said the suspected gunman, 29, is also dead. Two victims and the gunman died. Their conditions are not known.
Police have said he was found dead, with a gunshot wound, after exchanging fire with officers during the incident on Danforth Avenue on Sunday night.
Local law enforcement officials said the suspected shooter also died, but it's not clear whether he was killed by police or if he shot himself. He said police don't know what prompted the attack but are investigating all possibilities.
Video from one witness showed a man dressed in black firing three shots from the pavement into at least one shop or restaurant.
Meanwhile, John Tulloch, another witness, said that he was getting out of his vehicle on the Danforth when he heard the gunshots.
"I'm not calling it random", said Toronto Police Chief Mark Saunders.
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She was said to be in a critical condition. "It's way too early to rule out anything".
Toronto Mayor John Tory told reporters the city has a gun problem, with weapons too readily available to too many people.
The shooting comes on the same weekend Toronto police deployed dozens of additional officers to deal with a recent spike in gun violence in the city.
There is a heavy police presence at the scene and a large swath of the area has been blocked off as emergency crews respond to the situation.
Witnesses are being taken from the scene by bus to be interviewed at nearby police stations.
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