The decision to reopen the UK skies to airlines was not influenced by any "pressure" from the aviation industry, Transport Secretary Lord Adonis has said.
The Cribs and electro-pop star Gary Numan have been forced to withdraw from a US music festival following travel disruption caused by the volcanic ash cloud.
Organisers of an Irish concert have had to reschedule tenor Russell Watson's performance, after his flight got cancelled due to ash from the volcanic eruption in Iceland.