British MPs will return to the Parliament later Wednesday after the top court ruled that its suspension was unlawful.
The House of Commons will reconvene at 1030 GMT.
Prime Minister Boris Johnson, who said he "profoundly disagreed" with Tuesday's landmark ruling, is flying back early from a UN summit in New York.
"We in the UK will not be deterred from getting on and delivering on the will of the people to come out of the EU on October the 31st, because that is what we were mandated to do," he said.
Meanwhile, opposition leader Jeremy Corbyn, who was also forced to bring forward his set-piece annual conference in Brighton, has repeated his demand for the PM to step down.
"Boris Johnson has been found to have misled the country. This unelected prime minister should now resign," he said.
On Tuesday, the Supreme Court ruled that Johnson's decision to suspend it for five weeks was unlawful and therefore null and void.
Israeli forces pounded the suburbs of Gaza City overnight from the air and ground, destroying homes and driving more families out of the area as Prime Minister Benjamin Netanyahu's security cabinet was set on Sunday to discuss a plan to seize the city.
Russian drone attacks on power facilities in northern and southern Ukraine overnight left nearly 60,000 customers without electricity, with President Volodymyr Zelenskyy vowing to retaliate by ordering more strikes deep inside Russia.
Indian Prime Minister Narendra Modi said he was committed to improving ties with Beijing in a key meeting with China's President Xi Jinping on Sunday, as both countries resolved to put aside differences from a years-long border standoff.
The prime minister of Yemen's Houthi-run government and several other ministers were killed in an Israeli strike on the capital Sanaa, the head of the Houthi Supreme Political Council said on Saturday, in the first such attack to kill senior officials.
A divided US appeals court ruled on Friday that most of Donald Trump's tariffs are illegal, undercutting the Republican president's use of the levies as a key international economic policy tool.
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