John Sykes, guitarist with Whitesnake and Thin Lizzy who co-wrote the hit singles 'Still of the Night' and 'Is This Love,' has died. He was 65.

The rocker co-wrote several of Whitesnake's biggest hits, including "Is This Love" and "Still of the Night." John Sykes, the electrifying guitarist who rocked the world in legendary bands Whitesnake and Thin Lizzy,

Revered hard rock guitarist John Sykes, best known for his work in Thin Lizzy and the multi-platinum selling glam rock outfit Whitesnake, has died at age 65