<sod >'In consequence of this incident it is expected that there will be some disruption to the road network around Waddesdon for the rest of the day.' The spokesman later added: 'We're aware of a number of casualties following an incident this afternoon in Waddesdon, Aylesbury. 'There were a number of road closures following the incident, which have now been lifted. We will provide further updates when available.' Four people are feared dead after a light aircraft crashed into a helicopter in the skies above Waddesdon estate in Buckinghamshire this afternoon The aircraft are said to have come down in nearby woodland, away from the grand property.< eod>< sod > 'In consequence of this incident it is expected that there will be some disruption to the road network around Waddesdon for the rest of the day.' The spokesman later added: 'We're aware of a number of casualties following an incident this afternoon in Waddesdon, Aylesbury. 'There were a number of road closures following the incident, which have now been lifted. We will provide further updates when available.' Police vehicles surrounded the scene this afternoon as the investigation got underway An air ambulance landed on a nearby field although it is not thought anyone went to hospital Aerial footage shows police activity in woodland set back not far from a local road  The aircraft came down near the grand Waddesdon Manor.< eod>