If UK parliament rejects the Brexit deal, what can PM May do?

The latest economic analysis of the Brexit deal brought home by UK Prime Minister Theresa May has suggested the United Kingdom would be $140bn worse off over the next 10 years and would still be tied to a trading relationship with Europe, angering both those who opposed and those who supported Brexit.

All the signs point to the parliament rejecting the deal, but then what?

Al Jazeera’s Laurence Lee takes a look from London at the options available to the prime minister, her allies and her opponents as they try to chart a course into completely unknown territory for the UK.