Nigeria, April 6 -- United States President Donald Trump has threatened to destroy critical civilian infrastructure inside Iran, including bridges and power plants, if the Strait of Hormuz is not fully reopened before his self-imposed deadline of Tuesday.

Mr Trump issued the warning in a social media post on Sunday, in which he escalated his rhetoric against Tehran with characteristically blunt language.

"Tuesday will be Power Plant Day, and Bridge Day, all wrapped up in one, in Iran. There will be nothing like it!!! Open the.Strait, you crazy bastards or you'll be living in Hell - JUST WATCH! Praise be to Allah," he wrote.

The American president later set a specific deadline of 8 pm ET (midnight GMT) on Tuesday, April 7.

The threat m...