Why not have Ian threatening to jump from the bridge in the square? Or off the roof of the community centre. In the dead of night when Phil sees him and goes off to make a call. Kathy arrives in a taxi at the top of Bridge street and walks down towards the bridge. She looks over at the cafe and up at Ian. 'It's me. It's your Mum'

This is a reveal that should be happening in Albert Square for me.