CNBC's team in the United Arab Emirates confirmed hearing a number of loud explosions in both the UAE's capital city of Abu Dhabi and Dubai.

Explosions have been heard across the Middle East as Iran retaliates against U.S. attacks — CNBC's Dan Murphy has the latest.

A truck containing a hydrogen gas trailer exploded in the Inland Empire on Tuesday night, leaving one person dead and another with major injuries, according to authorities.