Dover port boss says clock is ticking on new UK customs system

DOVER, England (Reuters) - Britain has 11 months to roll out new customs systems across the country to prevent border checks from blocking its biggest arteries of trade once it fully leaves the European Union, the head of the Port of Dover warned on Friday.The world's fifth largest economy leaves the biggest trading bloc at 2300 GMT on Friday, giving it an 11-month transition period to introduce the customs checks that will be needed as it breaks with Europe on rules and standards.As Britain's..