India, April 8 -- Reports of American B-52 bombers carrying 12 cruise missiles heading from RAF Fairford, Gloucestershire, UK, towards Iran surfaced on Tuesday. London-based Daily Express, without citing sources, reported that one B-52 Stratofortress was grounded at an airbase after developing engine issues. It added that one aircraft successfully took to the skies.

FOLLOW: Iran-US war LIVE: Amid nuke fears, US says Trump will 'respond' to Pakistan's proposal for 2 week ceasefire

This comes as President Donald Trump's 8 PM ET deadline for Iran is only hours away. The 79-year-old on Tuesday posted that a 'whole civilization will die tonight'.

"However, now that we have Complete and Total Regime Change, where different, smarter, and less...