BLITZER: Breaking news, President Trump says he's considering tough sanctions on Turkey as casualties mount in Northern Syria. Turkish military is striking Kurdish targets in the region, and Mr. Trump's critics are accusing him of abandoning longtime U.S. allies. Kurdish fighters appeared to return fire today at several Turkish border towns were hit with mortar rounds killing, five people and injuring at least 46 others, that according to Turkish government statements. Turkey's foreign minister is now saying that the goal of the operation is to remove terrorists from the region and today, Turkey's president threatened to allow millions of refugees into Europe if leaders there describe Turkey's military offensive in northeast Syria as an occupation. That's an awful situation that's unfolding right now. And to our viewers, thanks very much for watching. I'm Wolf Blitzer in THE SITUATION ROOM. You can follow me on Twitter and Instagram @WolfBlitzer. You can always tweet the show @CNNsitroom. "ERIN BURNETT OUTFRONT" starts right now.
Casualties Mount As Turkey Strikes Syrian Kurds.