Britain will leave European Union by October 31 'come what may', asserts Boris Johnson

Johnson said an alternative to a "compromise for both sides" -- which included no customs checks "at or near" the Northern Irish border was for Britain to leave without a deal.

Britain's Prime Minister Boris Johnson delivers his keynote speech to delegates on the final day of the annual Conservative Party conference at the Manchester Central convention complex. (Photo| AFP)

MANCHESTER: Prime Minister Boris Johnson on Wednesday urged the EU to compromise as he prepared to submit a new Brexit plan but warned Britain was ready to leave without a deal on October 31, "come what may".

Johnson said an alternative to a "compromise for both sides" -- which included no customs checks "at or near" the Northern Irish border -- was for Britain to leave without a deal, "an outcome for which we are ready".