Oil slipped more than three per cent on Monday with US crude oil futures falling more than $3 a barrel as fears eased about the Israel’s war on Gaza disrupting supply from the region and as investors grew cautious ahead of this week’s US Federal Reserve meeting. Brent crude futures fell $2.90, or 3.21 per cent, to $87.58 a barrel by 10:32am CDT (1532 GMT), while US West Texas Intermediate crude