President of Turkey, Recep Tayyip Erdoğan

Turkish war planes carried out airstrikes against Kurdish targets at the Semalka border crossing between Syria and Iraq.

Shortly before the air strike, US defense officials shut down Northern Syria airspace to Turkey in a statement to Anadolu.

“DOD spokesperson confirms the CAOC has pulled Turkey off the air tasking order and stopped the ISR feed, meaning Turkey is effectively cut out of the airspace along the border with Syria.”

Will be hard for Turkey to launch a military attack against the Kurds without air support/ISR — Lara Seligman (@laraseligman) October 7, 2019

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“Turkish artillery bombards PKK/YPG targets in Malikiyah,” reported Israeli journalist Amichai Stein.

#BREAKING: #Turkish warplanes have carried out airstrikes against the Semalka border crossing between #Syria and #Iraq; Turkish artillery bombards PKK/YPG targets in Malikiyah

pic.twitter.com/4Pi1mAratB — Amichai Stein (@AmichaiStein1) October 7, 2019

President Trump earlier Monday morning warned Turkey, a NATO ally, that he would destroy their economy if they did anything Trump “considers to be off” in a pair of tweets.

TRUMP: As I have stated strongly before, and just to reiterate, if Turkey does anything that I, in my great and unmatched wisdom, consider to be off limits, I will totally destroy and obliterate the Economy of Turkey (I’ve done before!). They must, with Europe and others, watch over the captured ISIS fighters and families. The U.S. has done far more than anyone could have ever expected, including the capture of 100% of the ISIS Caliphate. It is time now for others in the region, some of great wealth, to protect their own territory. THE USA IS GREAT!

….the captured ISIS fighters and families. The U.S. has done far more than anyone could have ever expected, including the capture of 100% of the ISIS Caliphate. It is time now for others in the region, some of great wealth, to protect their own territory. THE USA IS GREAT! — Donald J. Trump (@realDonaldTrump) October 7, 2019

According to Reuters, Turkish President Recep Tayyip Erdoğan accepted Trump’s invitation to visit the White House next month.