Isaiah Thomas' sister killed in car accident

Chyna Thomas, sister of Celtics guard Isaiah Thomas, died in a one-car accident on Interstate 5 in Federal Way, Washington Saturday morning.  Thomas, 22, died at the scene of the accident, according to the Tacoma News Tribune.

Reports out of Boston Saturday night say that the Celtics guard is in shock after hearing the news.  No word yet if he will play in the team's opening round playoff game Sunday vs. Chicago in Boston.   

The Celtics released the following statement Saturday night: 

The NBA released the following statement: