My dear daughter has 2 beautiful daughters, upon whom all of their grandparents dote. The issue is with my daughters ex. They have been seperated for a good few years and last may after having the children for the day he refused to bring them home and kept them overnight. Having been a regular drug user and drinker for many years, and having been talked down from railway bridges on more than one occasion after threatening suicide, we were understandably sick with worry. My daughter decided to re-assess contact arrangements after both of my grandaughters flat refused to see their father. Even at 10 years of age the older one has a very strong moral compass and realises what a complete loser her father is. I must add that my daughter and ourselves never talk badly of the father to the girls. Our problem is the father is now pushing through the family courts to get access to the girls and they are digging their heels in and refusing to see him. The courts, contact centre etc, seem only to believe his side of things and believe his story that my daughter is poisoning the girls against him. Nothing could be further from the truth. Any advice would be greatly appreciated. We are at the end of our tether.