So this just happened at Donald Trump’s rally in Salt Lake City:

In which Trump questions Romney’s religion, in Salt Lake City: “Are we sure he's a Mormon? Are we sure?" — Ashley Parker (@AshleyRParker) March 19, 2016

“Mitt Romney. He choked. He’s a choker. Are you sure he’s a Mormon? Are we sure?" — Blake Hounshell (@blakehounshell) March 19, 2016

Trump on Romney: "Are you sure he's a Mormon? Are we sure?" — Oliver Darcy (@oliverdarcy) March 19, 2016

Video:

Donald Trump: "I have a lot of friends,… Mitt Romney is not one of them. Are we sure he's a Mormon?" https://t.co/jP5Pet0Xu6 — CNN Tonight (@CNNTonight) March 19, 2016

Flashback. Remember when Donald Trump got so mad at Pope Francis for questioning his faith?

Earlier today, Mitt Romney endorsed Ted Cruz for president:

This week, in the Utah nominating caucus, I will vote for Senator Ted Cruz. https://t.co/e2lAkWrt4l — Mitt Romney (@MittRomney) March 18, 2016

And here’s Trump’s response:

Failed presidential candidate Mitt Romney, the man who "choked" and let us all down, is now endorsing Lyin' Ted Cruz. This is good for me! — Donald J. Trump (@realDonaldTrump) March 18, 2016

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Related:

WATCH: Unhinged Protester In Salt Lake City Beheads Trump Piñata

‘…This Man Is Not Christian’: Donald Trump Calls Pope Francis ‘Disgraceful’ For Questioning His Faith