UK PM May's Spokesman: Any customs border in the Irish Sea would be unacceptable

The UK PM spokesman, James Slack was out on the wires in the last hour and said that we are working to secure a Brexit deal as soon as possible but the decision on November summit is up to the EU.

Additional quotes:

   •  Negotiations are ongoing on Brexit deal.
   •  We don’t want a backstop to be in place indefinitely.
   •  We are looking for a mechanism to deal with that.
   •  Any customs border in the Irish Sea would be unacceptable.
   •  Cabinet will discuss Brexit on Tuesday, including preparations for a deal and no deal.
   •  We continue to make good profess in Brexit talks but there is work still to be done. 
   •  We set out what we want for a future framework, continue to believe this will deliver on the verdict of British people.