Complex sentence: As they return to England, Neil begins a relationship with one of the travelers while Will's mother reveals that she and Gilbert are engaged and he attempts to run away from them back towards their plane, but is wrestled to the ground by security.
Split into simpler sentences: As they return to England, Neil begins a relationship with one of the travellers while Will's mother reveals that she and Gilbert are engaged. Will attempts to run back to the plane, but is wrestled to the ground by security.