WASHINGTON, June 5 -- US President Donald Trump expressed sharp disappointment on Thursday over Elon Musk's public condemnation of his signature policy bill, signaling a possible rupture in their once-close relationship.

Speaking from the Oval Office with German Chancellor Friedrich Merz seated silently beside him, Trump did not hold back. "Look, Elon and I had a great relationship. I don't know if we will anymore. I was surprised," he told reporters, responding to Musk's recent comments labeling the president's tax and spending package a "disgusting abomination."

The bill, a cornerstone of Trump's second-term agenda, has become a political flashpoint, especially after Musk called on Republicans to kill it and replace it with a fiscally...