CCTV footage shows how Sarah Harrison was dragged by her hair and repeatedly punched as three of her girlfriend's sisters tried to bundle her into the back of a car.
WARNING: You might find the images distressing.
More top news
Showers or longer spells of rain. Severe gales on Sunday with storm force winds for coasts and hills
Tyson Fury plans to give his fans a song when he's finished with world heavyweight champion Wladimir Klitschko on Saturday night.
Often very windy, especially as we head into Sunday, with rain or showers. Met Office 'Be Aware' warnings have been issued