She may have been badly shaken following an altercation with Lamar Odom on Aug. 12, but Khloé Kardashian is still concerned about her ex husband.

“Khloé is still very upset about the incident,” says a source close to the Keeping Up with the Kardashians star, “But she’s also worried about Lamar. He is clearly not well.”

Indeed, it’s been a sad spiral for Odom, 35, since the former basketball player initially split from Kardashian in 2013 after four years of marriage.

“The Lamar thing is a tragedy,” says a KUWTK production source. “He had such a solid happy relationship with Khloé. And then he just went off the deep end. It was like a switch flipped. No one knew what was happening. It’s all so sad.”

Now, multiple friends of Kardashian have suggested that she obtain a restraining order against her former husband, who has struggled with drugs and was unfaithful during their marriage, though the source says she has not made a decision to do so.

Ultimately, Kardashian, who is dating NBA star NBA player James Harden, 25, just hopes for closure, says the source. “Khloé is living her life. She just wishes Lamar would do the same.”

-People