29/12/2015 2:36 PM AEDT | Updated 15/07/2016 12:51 PM AEST

Motörhead Frontman, Lemmy Kilmister, Dead At 70 Two Days After Learning He Had Cancer

Joel Ryan/Invision/AP
Motorhead frontman Lemmy Kilmister performs on the Pyramid stage during Glastonbury Music Festival on Friday, June 26, 2015 at Worthy Farm, Glastonbury, England. (Photo by Joel Ryan/Invision/AP)

Lemmy Kilmister, legendary frontman of hard rock pioneers Motörhead, has died just two days after learning he had cancer.

The bassist-singer of the British rockers, born Ian Fraser Kilmister but known simply as Lemmy by fans, passed away on Tuesday (AEDT). In a post on Motörhead's Facebook page, the band confirmed the rumours that had swirled on social media for much of the morning.

There is no easy way to say this…our mighty, noble friend Lemmy passed away today after a short battle with an extremely...

Posted by Official Motörhead on Monday, 28 December 2015

Lemmy had just turned 70, celebrating his seventh decade on December 24, just four days before his death.

The rock world was in mourning.

Motörhead had been planning a 40th anniversary tour through Europe in January.

+++Motörhead's 40th Anniversary Tour+++Tour & ticket information: album 'Bad...

Posted by Official Motörhead on Friday, 13 November 2015

Kilmister had recently recovered from a lung infection that saw the band forced to cancel several shows on an American tour.