Don Lemon’s sister died this week in Louisiana at the age of 58. The news anchor took to Twitter to thank everyone for their condolences.

“Thanks everyone for your words of sympathy. Please keep my family in your prayers,” he tweeted “Leisa was my oldest sister & partner in crime growing up. Always had my back. #RIPbigSis.”

According to the New Orleans Times-Picayune, L’Tanya “Leisa” Lemon Grimes drowned after falling into a neighborhood pond while fishing in Livingston Parish.

Don is in New Orleans right now, and will not be hosting for a couple days.

Thanks everyone for your words of sympathy. Please keep my family in your prayers. Leisa was my oldest sister & partner in crime growing up. Always had my back. #RIPbigSis pic.twitter.com/9k1IVtqukQ

— Don Lemon (@donlemon) February 1, 2018