U.S. Army forces supervise a training session at Camp Taji, Iraq. Photo: Sabah Arar/AFP via Getty Images

Three American and two Iraqi service members were injured Saturday morning in a rocket attack on Camp Taji in Iraq, a base north of Baghdad, U.S. military spokesperson Army Col. Myles Caggins tweeted.

Driving the news: The U.S. targeted five Iran-backed Kataib Hezbollah (KH) weapon storage facilities in Iraq on Thursday, following Wednesday's lethal attack that killed two U.S. service members, per the Department of Defense.

Go deeper: 2 U.S. service members killed by rocket attack in Iraq

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Chris Wallace grills Trump campaign adviser on Tulsa rally: "The arena was empty"

"Fox News Sunday" host Chris Wallace grilled Trump campaign adviser Mercedes Schlapp on why the president's Saturday rally in Tulsa saw lower-than-expected attendance, despite claims by Trump last week that 1 million people had requested tickets.

The big picture: As Wallace pointed out, the president frequently touts crowd sizes at his rallies as an indicator of enthusiasm and support. The Trump campaign planned for a massive crowd by setting up an outdoor overflow section for supporters who were shut out of the city's BOK Center, which has a total capacity of 19,200.

Six Trump campaign staffers test positive for coronavirus ahead of Tulsa rally

Trump supporters gather in Tulsa, Oklahoma on June 20. Photo: Win McNamee/Getty Images

Six of President Trump's staffers, who were part of the campaign's advance team for the president's Saturday rally in Tulsa, Oklahoma, have been quarantined after testing positive for the novel coronavirus, the campaign told Axios.

Why it matters: Trump's Saturday rally is expected to draw tens of thousands of supporters and protesters. The president has specified that face coverings at the event are optional, telling Axios' Jonathan Swan on Friday: "I recommend people do what they want."

Jun 21, 2020 - World

Exclusive: Trump cold on Guaidó, would consider meeting Maduro

Trump and Guaidó. Photo: Mark Wilson/Getty Images

In an Oval Office interview with Axios on Friday, President Trump suggested he's had second thoughts about his decision to recognize Juan Guaidó as the legitimate leader of Venezuela and said he is open to meeting with dictator Nicolás Maduro.

Driving the news: Asked whether he would meet with Maduro, Trump said, "I would maybe think about that. ... Maduro would like to meet. And I'm never opposed to meetings — you know, rarely opposed to meetings.