Dhaka, Nov. 29 -- Diplomatic foes the United States and Iran face off on the pitch at the World Cup on Tuesday in a match that some Iranians fear may see further run-ins with stadium security or clashes with pro-government fans over raging protests back home.

The contest between the two nations that severed ties over 40 years ago will be held with increased security to prevent a flare up of tensions over the unrest that has gripped Iran since the death in custody of 22-year-old Mahsa Amini on September 16, reports Reuters.

In a show of solidarity ahead of the match, the US Soccer Federation temporarily displayed Iran's national flag without the emblem of the Islamic Republic, leading Tehran to complain to FIFA, according to state media....