The US Secret Service is looking into Tesla CEO Elon Musk’s X post that questioned why no one was trying to assassinate President Joe Biden or Vice President Kamala Harris, Report informs referring to Bloomberg.

According to Bloomberg News, the Secret Service declined to release information related to Musk’s post over the weekend, citing “enforcement proceedings.” The publication had filed a Freedom of Information Act to see what the response was to Musk replying to a user on X who said, “Why they want to kill Donald Trump?”

Musk, who owns X, responded: “And no one is even trying to assassinate Biden/Kamala.”

Musk later deleted his message and chalked it up to people not understanding his sense of humor.