Elon Musk called President Donald Trump Monday night, two sources told CNN, before saying early Wednesday that he regrets some of his social media posts about the president during their very public blow-up last week.

Elon Musk called President Donald Trump on Monday night, two sources familiar with the conversation told ABC News.

Elon Musk phoned President Trump before publicly expressing regret for attacks that he said “went too far” during a public feud between the men last week, according to people familiar with the matter.