Mikayla Raines, an animal rescuer who shared her work on YouTube, has died by suicide, her husband Ethan Frankamp shared on Monday. In a nearly 12-minute video titled, "An unimaginable loss for the rescue," Ethan Frankamp said Raines died by suicide as a result of mental illness and harassment she faced online.

If you are feeling lost and hopeless, please reach out to someone — whether it’s friends and family or calling a hotline,” Ethan Raines said.

Animal rescue activist and YouTube star Mikayla Raines has died by suicide, according to her husband. She was 29. Ethan Raines announced her death in an emotional video he posted to her YouTube channel on Monday.