In his first major interview with a British broadcaster, the 57-year-old - who wrote the infamous dossier on Donald Trump - warned of growing Russian hostility.

On the Sky News Daily podcast with Dermot Murnaghan, our security and defence editor Deborah Haynes discusses getting to know the former intelligence officer, her recent meeting with him and what else he had to share.

Daily podcast team:
Senior podcast producer - Annie Joyce
Interviews producer - Tatiana Alderson
Archive - Simon Windsor
Archive - Rob Fellowes
Archive - Nelly Stefanova
Music - Steven Wheeler