Warning comes as UK's maritime agency says an 'unknown projectile' hit a tanker off the coast of Oman, causing a fire.

With the YouTube News livestream, you can watch any live newscast for free, and there’s plenty to choose from.

"The hard part is done," the president said as he urged countries like the United Kingdom to "build up some delayed courage, go to the Strait, and just TAKE IT." Coverage for this live blog has ended.

President Trump said this week his administration was engaged in productive discussions with Tehran, but regime officials countered that account. Coverage on this live blog has ended. Follow live ...

The latest Samsung Galaxy Unpacked takes place on Feb. 25 at 10 a.m. PT in San Francisco, and Mashable will be reporting live from the event. We're fully expecting a new generation of Galaxy phones ...