India, April 11 -- President Donald Trump accidentally called his former national security adviser, retired Lt. Gen. H.R. McMaster, last month from the White House, and ended with the "F-word", per a CBS News report citing four sources familiar with the incident.

The surprise phone call came on May 2, when McMaster received a message on his personal cellphone telling him to stand by for a call from the president. Hilariously, just the day before, Trump had publicly blasted McMaster on his TruthSocial platform, calling him a "weak and totally ineffective loser."

The retired Army officer, who served as Trump's national security adviser for just over a year before being pushed out in 2018, had recently appeared on CBS's 60 Minutes. He ques...