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WATCH ABOVE: A WestJet flight bound for Edmonton was diverted to Saskatoon on Saturday after authorities received a phone call alerting them that an explosive device might be on board. Here’s team coverage from Global’s Amber Rockliffe and Lisa Wolansky.

SASKATOON — No bomb was found on a WestJet flight bound for Edmonton from Halifax, that was diverted to Saskatoon on Saturday morning.

Shortly before 9:00 p.m. CST the Saskatoon Police Service explosive disposal unit completed clearing the aircraft, and determined no explosive device was on board, according to a news release.

Police also said the threat originated in Ontario, where the provincial police service is helping with the investigation. No arrests have been made.

Saskatoon police said flight 391 was diverted Saturday morning as a precautionary measure, after a call was made claiming there was an explosive device on a plane that had recently taken off from Halifax. The Saskatoon Fire Department said there were reports of a possible bomb threat.

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Emergency services were at the airport on Saturday afternoon. Police, fire crews, paramedics and hazmat were all on scene.

Safety is our top priority. Responding to a threat, #WS391 Halifax to Edmonton, has diverted to @flyYXE. Guest, crew will disembark shortly. — WestJet (@WestJet) June 27, 2015

The plane landed safely and could be seen on the runway with fire trucks on either side of it. WestJet spokesman Robert Palmer said there were 147 passengers and a crew of six aboard the Boeing 737-800 that was diverted at around 9:30 a.m. CST.

Four bus loads of passengers were taken off the aircraft to a nearby building, escorted by police.

All passengers remain on the buses-police are bringing them water/escorting them to the washroom #yxe pic.twitter.com/6m4AsPgM3L — Amber Rockliffe (@AmberRGlobal) June 27, 2015

As of Saturday afternoon, all guests and crew have been interviewed by police and were under the care of WestJet. The airline said the passengers and crew were provided with food and water while police investigated.

80lb suit… 32 degree weather… Two happy cats… Priceless. Cst Maloney leaving no one behind… #familypets pic.twitter.com/W9zgqOZz7Y — Saskatoon Police (@SaskatoonPolice) June 27, 2015

A police dog from the Alberta RCMP, certified in explosive detection, was brought in to assist with the search.

READ MORE: Air Canada, WestJet increase Saskatoon flights

With files from The Canadian Press