British ambassador to the European Union (EU) on Wednesday handed the Brexit letter to European Council President Donald Tusk, officially triggering the two-year countdown to Britain's exit of the bloc after 44 years of membership.

Start a season-long league with your friends. Play for a share of $1,000,000. Get a free entry into the NFL Sunday Million with your first deposit. Payable Action: Deposit (Minimum $10) Restrictions: No incent. State restricted (see offer targeting).

More videos