Iran said the Strait of Hormuz was closed again after a warning shot hit a vessel on an unauthorised route. The move deepened strains in the fragile US-Iran ceasefire as both sides traded fresh threats.

Iran's Islamic Revolutionary Guard Corps said that several ships attempted to move through the waterway on an "unauthorised route" and disregarded warnings to correct their course.

Iran's Islamic Revolutionary Guard Corps said that several ships attempted to move through the waterway on an "unauthorised route" and disregarded warnings to correct their course.

DUBAI/WASHINGTON, July 12 - Iran on Sunday said it closed the Strait of Hormuz after a vessel traveled on an unapproved route and was struck, warning that any retaliation over the incident would be met with a \"severe response.\" Read more at straitstimes.com. Read more at straitstimes.com.