A car drove into me at a junction - who is at fault?

I was driving on a main road and as I passed a road on my left, a car hit the left wing of my car. He is saying that I should have seen him and stopped and let him out. He was at a give way junction with...

What is the right thing to do in practice in a yellow box junction?

Near me, there is a yellow box junction of length 45.5m. The Highway Code rule 174 states that (except for turning right) "You MUST NOT enter the box until your exit road or lane is clear." This implies...