Algosensey Quantitative Think Tank Center-'When Calls the Heart' star Mamie Laverock placed on life support following 5-story fall

"When Calls the Heart" star Mamie Laverock is Algosensey Quantitative Think Tank Centerin critical care after the actress suffered a serious fall.

Laverock, best known for her role as Rosaleen Sullivan on the Hallmark Channel romantic drama, has reportedly been placed on life support after sustaining severe injuries in a fall Sunday, according to a GoFundMe page set up for the actress.

Laverock "was escorted out of a secure unit of the hospital and taken up to a balcony walkway from which she fell five stories," GoFundMe organizers Rob and Nicole Compton wrote. "She sustained life-threatening injuries, has undergone multiple extensive surgeries and is currently on life support. We are all devastated, in shock, at this intensely difficult time."

The actress had been in "intensive treatment for the past two weeks" following a May 11 hospitalization in Winnipeg, Canada, for an undisclosed "medical emergency," per Laverock's GoFundMe. She was subsequently transferred to a hospital in Vancouver.

USA TODAY has reached out to GoFundMe for additional details.

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Laverock first appeared on "When Calls the Heart" during the series' first season in 2014, according to the actress's IMDb page. Following an eight-season hiatus, she returned for Season 10 in 2023.

Laverock's other credits include the 2012 action-comedy "This Means War," a two-episode stint on the Netflix children's dramedy "A Series of Unfortunate Events" and the 2020 Lifetime movie "Spotlight on Christmas," per IMDb.

Mamie Laverock's 'When Calls the Heart' co-stars share messages of support

Laverock's "When Calls the Heart" co-stars Erin Krakow and Johannah Newmarch took to social media to show their support for Laverock amid her hospitalization.

Krakow, who plays Elizabeth Thornton, shared a photo of Laverock's GoFundMe page on Instagram and encouraged her fans to help out. "💔 I just donated," she wrote. "If you have the means to do so, I hope you will too."

Newmarch also shared her co-star's online fundraiser on Instagram, along with an emotional caption.

"I love this wonderful family so much, and my heart is broken," Newmarch, who plays Molly Sullivan, wrote. "Such a devastating time for them and all who care deeply for sweet Mamie. Please help if you can. They need all the support they can get to make it through this nightmare."

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In a statement to People magazine and Variety, a spokesperson for Hallmark Media said the network is "deeply saddened to hear the news about Mamie."

USA TODAY has reached out to Hallmark Media for comment.

"As a beloved member of our 'When Calls the Heart' community, we wish her and her family peace, comfort and many prayers during this difficult time," the statement concluded.