WASHINGTON, July 24 (Reuters) - U.S. President Donald Trump said on Friday that he trusted China and Russia not to help Iran in the conflict with the U.S., but warned that if they did get involved "it would be very bad for them."

"President Xi, at our recent meeting in Beijing, China, told me that he would not, under any circumstances, give or sell Weapons to the Islamic Republic of Iran — And that statement included Chinese Companies," he wrote on Truth Social.