Metallica has partnered with the Welsh Blood Service, NHS Blood And Transplant and the Scottish National Blood Transfusion Service to promote blood donation across the U.K.

As part of the final leg of their European 'M72' world tour before returning to the United States, Metallica is calling on fans to come forward and give blood and plasma during their upcoming U.K.

tour dates.,The band's performance at Athens's Olympic Stadium marked their first Greek appearance since 2010 and was part of the 'M72' world tour in support of their eleventh studio album, '72 Seasons', which came out in 2023.

It was their fifth performance in Greece.

Metallica previously played in the country in 1993, 1999, 2007 and 2010.,Metallica launched the 'M72' world tour in Amsterdam in April 2023 and has since performed for an estimated four million fans worldwide.

As with all tour dates, the band is donating a portion of ticket sales to local charities through Metallica's All Within My Hands foundation.,The charity supports communities around the world by strengthening local services and responding to critical needs.,Metallica's concert in Philadelphia saw fans donate 152 units of blood.