Complex sentence: She died in an accident at her home in Dhaka when she was crushed by a vehicle driven by her chauffeur picking her up to go to work as Director of the UK non-governmental organization Action Aid.
Split into simpler sentences: She died in an accident at her home in Dhaka, when she was crushed by a vehicle. The Vehicle was driven by her chauffeur, who was picking her up to go to work as Director of the UK non-governmental organization Action Aid.