AP Top Headlines at 3:45 p.m. EDT

The U.S. and Canada have ramped up their trade war, hitting each other with steep new tit-for-tat tariffsIran won't allow military vessels to transit through the Strait of Hormuz if an agreement it's negotiating with Oman is finalizedMeta has agreed to pay up to $18 billion and add stronger child-safety measures to its Facebook and Instagram platforms as part of a landmark legal settlementFlash floods in a border area of Nepal and China on Wednesday have killed at least 160 people and left hundreds missingDolly Parton's death is shining a new light on the country music icon's philanthropyTim Curry has died at 80A federal judge has lifted a major obstacle to President Donald Trump’s executive order limiting mail voting, but Democratic state officials are already filing a new court challenge