Cumbria police acted in an Unstructu Red And Disorganised in the investigation into the death of toddler Poppi Worthington. President trump says his Attorney GeneralJeff Sessions is the victim of a political witch hunt in the row over his contact with russian officials. And 100 years of history the Imperial War Museum celebrates it centenary. And coming up in the sport on bbc news sam billings comes in as an opener for england in antigua in the first of three one day internationals against the west indies. Good afternoon and welcome to the bbc news at one. Air Accident Investigators say that the shoreham Airshow Disaster which killed 11 people was caused by pilot error. The pilot was flying too low and too slow. A vintage jet performing a loop the loops stand crashed onto the a27 in 2015. In theirfinal report into the incident in 2015 in which a vintage jet performing a stunt crashed onto the a27 the investigators said the pilot started the loop stunt too low and too slow and could hav