'I had a lot of bad feelings' - Auba explains leaked video criticism of Arteta

The striker left the Gunners earlier this year.

FOCUS: Pierre-Emerick Aubameyang with teammates during Chelsea training on Monday. 

Chelsea striker Pierre-Emerick Aubameyang says he is 'aware' of a video which shows him criticising his former Arsenal manager Mikel Arteta.

In the footage, the Gabon forward says Arteta -- who has led the Gunners to the top of the Premier League -- 'can't deal [with] big characters and players'.