Cheeky bear cub teases brother until he gives up and shuts door in her face

This is the amusing moment a cheeky bear cub teased her brother before he cleverly shut a sliding gate in her face to escape the playful ambush.

Footage shows the mischievous brown bear siblings, affectionately nicknamed 'Little Cub' and 'Little Sister' by visitors, turning their enclosure into a wrestling ring at Chongqing Zoo in Chongqing, China.