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One of the most tourist-filled places in the world was shut down for hours Sunday night when a woman intentionally drove her car onto a crowded Las Vegas Strip sidewalk, killing one and injuring dozens, including five Canadians.

Las Vegas Blvd. came to an unprecedented standstill as the woman – who had a three-year-old in the backseat – jumped the curb at least three separate times, according to tourists and authorities, and drove into terrified pedestrians.

Las Vegas police did not have an immediate motive for the attack but ruled out terrorism.

"This was not an act of terrorism," Brett Zimmerman, a Las Vegas Metropolitan Police Department deputy chief, told reporters. "We are treating this as an intentional act."

The woman was having her blood tested for alcohol and/or drugs. The toddler in the car was not injured.

There was no immediate information on the pedestrian killed; police said more than 30 people were injured when the woman drove her 1996 Oldsmobile onto the curb near what is arguably the busiest part of the Las Vegas Strip – near the Paris Hotel and Casino; the Bellagio, with its famous dancing water fountains that are a tourist magnet; and the Planet Hollywood Hotel and Casino, which at the time on Sunday was hosting the Miss Universe Pageant.

The person killed was an adult, police said, but was not identified at time of publication. One of the injured pedestrians was an 11-year old, and several other injured were part of a group tour from Montreal. Those injured were taken to University Medical Center, Sunrise Hospital and Medical Center, and Spring Valley Hospital.

According to the Toronto Star, a spokesperson from University Medical Center confirmed that at least five of the injured were Canadians, including a couple from Montreal who required the assistance of French translators.

Witnesses said that several men tried to stop the woman, banging on the windows of her locked car when she came to a stop, but the driver immediately drove off the sidewalk, back onto Las Vegas Blvd., and then jumped the sidewalk again at least twice more after the initial incident.

Monica Poling contributed to this article.

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