By Humeyra Pamuk, Jana Choukeir, Ahmed Tolba and Steve Holland ZURICH/DUBAI/WASHINGTON, June 21 (Reuters) - U.S. Vice President JD Vance arrived in Switzerland on Sunday for peace talks with Iran as both nations seek a durable end to their war while disagreeing over Iran's claims that it had closed the vital Strait of Hormuz.

The peace deal between the US and Iran are back on shaky grounds as the attacks between Israel and Hezbollah breach the deal. FOX's Alex Hogan shares the updates and the next steps for new peace

The exchange came after President Trump said Iranian forces had shot down a U.S. Apache helicopter near the Strait of Hormuz.

President Trump said Iran has "taken too long" to negotiate a peace deal with the US, adding that "now they will have to pay the price."

Iran’s strikes on Israel this week were some of its most audacious attempts yet to redefine the boundaries of a confrontation that for decades has largely been fought through proxies, covert operations and carefully calibrated retaliation.

Iran’s leaders want to show they are serious about defending their Hezbollah allies in Lebanon and maintaining the regional balance of power, analysts say.

Oil prices gained in early Asian trade as doubts over the durability of the U.S. and Iran’s interim peace deal grew.

President Donald Trump said he postponed a new attack at the request of Arab states in the Persian Gulf. Meanwhile, acting Attorney General Todd Blanche denied that the creation of a $1.776 billion “anti-weaponization” fund is unprecedented or unwarranted.