Officials believe as many as 20 people may have been killed after an aircraft crashed onto the A27 during a show in Shoreham. The plane involved in the incident, a Hawker Hunter, had been due to appear at Little Gransden on Sunday but organisers have now changed the line-up, with a Yak-11 announced as a replacement. A spokesman for the event posted on Twitter: After Saturdays tragic events we have of course had a display change, removing the Hunter from the line-up. A Yak-11 has been added. The Little Gransden team would like to express our condolences to those involved in the Shoreham disaster, and hope that pilot Andy Hill will recover.The pilot of the Hawker Hunter that crashed onto the A27 has been identified as Andy Hill from Sandon, near Royston. His plane plummeted onto the A27 during a routine.Sussex assistant chief constable Steve Barry said: This has been an enormously traumatic incident and our thoughts are with everyone who has been affected, from those who have suffered bereavement to those in the local community who are deeply shocked. Sadly, as a result of our initial work at the site, which has continued overnight, and inquiries following calls to the emergency services from worried families and friends, we have now identified 11 people who we are treating as highly likely to have died in this tragedy. Mr Barry also warned that the death toll could rise further still. Little Gransden organisers say their show in aid of BBC Children in Need and local charities- will go ahead and include four hours of vintage and aerobatic flying displays. There will be also be veteran and classic vehicles. Since 1992 the show has raised more than £242,000 for charity over the years - including £63,743.69 for Children in Need in 2014.