A shooting that took place early on Sunday on a pedestrian promenade near to the University of Iowa campus in downtown Iowa City injured at least three students.
After issuing warnings, Iranian forces turned back two tankers that were trying to pass through the Strait of Hormuz, citing the ongoing US maritime blockade as the reason.
Iran claimed that since the war with the US and Israel started on February 28, over 3,400 people had died.
On Saturday night, the Islamic Revolutionary Guard Corps (IRGC) of Iran threatened to strike any ship that approached the Strait of Hormuz.
India's Ministry of External Affairs called the Iranian ambassador to India to discuss the "serious incident" involving two Indian-flagged ships that were fired upon on Saturday in the Strait of Hormuz.
Iran said that it is examining fresh U.S. proposals that were communicated through Pakistan's mediators, but it has not yet responded.
Hezbollah leader Naim Qassem vowed on Saturday that his fighters would retaliate against Israeli attacks on Lebanon and stated that the current 10-day ceasefire with Israel cannot be one-sided.
Georgian journalists staged a live on-air protest, after a European Court decision paved the way for the Rustavi-2 TV station, seen as an opposition channel, to pass into the ownership of a businessman they see as close to the government