Strictly star lifts lid on 'intense' training sessions and gruelling 10 hour days
![Strictly star lifts lid on 'intense' training sessions and gruelling 10 hour days](https://i2-prod.mirror.co.uk/incoming/article33263500.ece/ALTERNATES/s615/0_EXCL-Karim-Zeroual-and-Amy-Dowden.jpg)
Former Strictly Come Dancing runner-up Karim Zeroual has opened up on the intensity of his training on the dance contest and called partner Amy Dowden 'strict' but 'necessary'