President Donald Trump issued a warning to Iran after rockets were fired at the U.S. Embassy in Baghdad, Iraq. Tweeting a photo of the purported rockets, Trump said that the “embassy in Baghdad got hit Sunday by several rockets.” He made the comments as he was traveling to Mar-a-Lago in Florida for Christmas. “Three rockets failed to launch. Guess where they were from: IRAN. Now we hear chatter of additional attacks against Americans in Iraq,” Trump wrote. Trump then warned: “Some friendly health advice to Iran: If one American is killed, I will hold Iran responsible. Think it over.” The photo Trump included appeared to show Katyusha rockets, which are typically used by militia groups in the region. In 2020, Katyusha rockets have been fired by groups at the U.S. Embassy and military bases in Iraq. About a year ago, U.S. officials confirmed the killing of Iranian commander Qassem Soleimani via a …