Peter Tork, a bassist and singer in The Monkees, has died at the age of 77, his sister confirmed to The Washington Post and other outlets.

 

Peter's sister reportedly confirmed the musician's death but did not reveal where he passed or the cause. 

In 2009, Tork was diagnosed with a rare form of tongue cancer. The singer-bassist-actor had just turned 77 on Feb. 12.

This is a developing story and will be updated with the latest.