WASHINGTON, United States (AFP) — United States (US) President Donald Trump went on an extraordinary social media spree into the early hours of Tuesday, posting dozens of conspiracy theories and crude memes attacking his opponents.

The intense outburst on Truth Social came amid growing public scrutiny of the 79-year-old Republican’s health.

As Trump deals with the economically damaging impasse with Iran and prepares to fly later Tuesday for a summit in China, his attention was elsewhere in the night-time flurry.