Iran’s military declared it is ready to close the Strait of Hormuz indefinitely if US President Donald Trump carries out a threat to bomb its power plants.

The Glendale Fire Department told 12News that the hours for Luke Day will be shortened, but it is "by no means meant to deter people" from coming out.

An elite Air Force medical unit is using a simulator to train treating critical care patients while in flight. NBC News' Dr.

Dozens of people participated in the training and got the chance to interact with helicopters used by flight paramedics.

Trump earlier said the US would "obliterate" Iran's power plants if the key shipping channel does not open before his 48-hour deadline.