The Lancaster ND444 collided with Lancaster HK564 over Ouren, in Belgium. The plane fell at Weiswampach, G-D of Luxembourg.
The bodies of the 8 Crewmen where buried in the cemetery of Daleiden (Lux) and transferred to the Reichswald Forest War Cemetery.
Sources: See here the official letters concerning the crash, courtesy of Mrs Colleen Russell
Reichswald Forest War Cemetery