As we reported Monday (March 1), legendary rapper Guru had suffered a heart attack over the weekend, leaving him in a coma.

Here's an update...

The Brooklyn rapper underwent surgery Monday afternoon, His Gangstarr partner-in-crime, DJ Premier, revealed that the surgery was a success, and Guru is currently in stable condition.

"Good news," Premier wrote on his Twitter page (@DJPremierBlog). "Guru surgery was successful, keep sending him love."

The DJ also added, hours later, that Guru remains in a coma.

"Guru still in a med induced coma, he's breathing with machine help," he wrote.

After the news broke Sunday evening. Guru's business partner and collaborator, Solar, issued a statement asking for fans' prayers.

"Guru is struggling with a serious health issue. We, the whole 7 Grand Records family, appreciate all your love and well wishes. We continue to hold out hope that Guru will make a full recovery from this," he said. "We ask that his privacy on this matter will be respected. Again, thank you for all your support through this trying time."

Stay tuned for further updates...