Alison's family anguish

Gavin and Stacey star helping sister. 90, living with dementia.

- MARK JEFFERIES

ALISON Steadman has been coping with a family crisis while filming the Gavin and Stacey Christmas special.

The actress has revealed her eldest sister Sylvia is living with dementia.

Alison explained: "I am going through a bit of a sad time.

"My eldest sister, who is 90, has dementia. She is bedbound and has no one to help her except me.