India, May 19 -- US President Donald Trump said on Sunday he was "saddened" by the news that his predecessor and political opponent Joe Biden had been diagnosed with an aggressive form of prostate cancer.

"Melania and I are saddened to hear about Joe Biden's recent medical diagnosis. We extend our warmest and best wishes to Jill and the family, and we wish Joe a fast and successful recovery," Trump posted on Truth Social. Despite frequently mocking Biden over his age and cognitive health, Trump offered a conciliatory message.

Former Vice President Kamala Harris also responded to the news, describing Biden as a fighter.

Sharing a photo with Biden on X, Harris wrote, "Doug and I are saddened to learn of President Biden's prostate cancer ...