Jim Carrey and Cathriona White, seen here in May, reportedly met in 2012 and dated on and off.

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White, 30, was found dead in her Southern California home on Monday

"My heart goes out to her family and friends," Carrey said in a statement

CNN  — 

Actor Jim Carrey offered condolences to the family of close friend Cathriona White, who was found dead in her home on Monday night.

Carrey said Tuesday that he was “deeply saddened by the passing of my sweet Cathriona.” The two reportedly met in 2012 and have dated on and off.

“She was a truly kind and delicate Irish flower, too sensitive for this soil, to whom loving and being loved was all that sparkled,” the 53-year-old actor said in a statement. “My heart goes out to her family and friends and to everyone who loved and cared about her. We have all been hit with a lightning bolt.”

Paramedics who responded to White’s Sherman Oaks home Monday night pronounced the 30-year-old dead at the scene, said Lt. Fred Corral of the Los Angeles County Coroner’s Office.

“The report is not completed, but it is an apparent suicide,” Corral said.

The body will be examined Wednesday, and more details will be forthcoming, he said.

In her last tweet on September 24, White wrote, “Signing off Twitter, I hope I have been a light to my nearest and dearest.”

Carrey posted two photos of himself on Twitter in the past month that were credited to White.

CNN’s Stella Chan contributed to this report.