Lincoln, IL : Sister of Celtics's guard Thomas dies in car accident on April, Sunday 16th 2017

The Celtics, who are due to open their NBA playoff campaign against the Chicago Bulls on Sunday, said in a statement: “We are terribly saddened by the tragic loss of Chyna Thomas.

“The thoughts and prayers of the entire Celtics organization are with Isaiah and his family.”

The Boston Globe reported Thomas was still expected to play in Sunday's game.

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Sister of Celtics's guard Thomas dies in car accident