London, Jan. 16 -- British lawmakers overwhelmingly rejected Prime Minister Theresa May's divorce deal with the European Union on Tuesday, plunging the Brexit process into chaos and triggering a no-confidence vote that could topple her government.

The defeat was widely expected, but the scale of the House of Commons' vote - 432 votes against the government and 202 in support - was devastating for May's fragile leadership.

It followed more than two years of political upheaval in which May has staked her political reputation on getting a Brexit deal and was the biggest defeat for a government in the House of Commons in modern history.

Moments after the result was announced - with Speaker John Bercow bellowing "the noes have it" to a pack...