Hi, My husband was in a non-contact car motorbike accident. My husband (in a car) was entering a round about with a car coming in the opposite direction going straight giving him right away to go, after entering the round about he saw a light flicker come out of nowhere, in the corner of his eye so he accelerated to get out of the round about, the motorbike ended up on its side though there was no contact between the them. My husband stopped his car on the side of the road to make sure the guy was ok. He was fine, his bike had some damages and the guy said he was ok to get home as it was near the incident. They had exchanged details. Who is at fault here?