Update 2:37 p.m. Nov. 16: Sen. Al Franken, D-Minnesota, on Thursday called for an ethics investigation of himself after a Los Angeles news anchor came forward with allegations that he kissed her forcibly and groped her as she slept during a USO tour in 2006.

Leeann Tweeden on Thursday shared an image taken on the trip back to the U.S. at the end of the tour. Franken can be seen smiling up at the camera as his hands hover over her chest.

"I don't know what was in my head when I took that picture, and it doesn't matter," Franken said in a statement released Thursday. "There's no excuse. I look at it now and I feel disgusted with myself. It isn't funny. It's completely inappropriate. It's obvious how Leeann would feel violated by that picture."

He said that he would “gladly cooperate” with an ethics investigation into the incident.

"The truth is, what people think of me in light of this is far less important than what people think of women who continue to come forward to tell their stories," he said. "They deserve to be heard, and believed. And they deserve to know that I am their ally and supporter. I have let them down and am committed to making it up to them.”

Update 11:58 a.m. Nov. 16: Senate Majority Leader Mitch McConnell has called for an Ethics Committee investigation after a Los Angeles news anchor accused Sen. Al Franken of kissing and groping her without her consent in 2006.

"As with all credible allegations of sexual harassment or assault, I believe the Ethics Committee should review the matter. I hope the Democratic Leader will join me on this," McConnell said, according to Politico. "Regardless of party, harassment and assault are completely unacceptable – in the workplace or anywhere else."

Leeann Tweeden wrote in a blog post for KABC that Franken "forcibly kissed" her and groped her as she slept during a USO tour in December 2006. Franken was an Air America radio host at the time. He was voted into office in 2008.

Franken apologized to Tweeden in a statement Thursday.

Original report: A Los Angeles news anchor and sports broadcaster on Thursday accused Sen. Al Franken, D-Minnesota, of "forcibly kissing" her and groping her as she was asleep during a USO tour in 2006.

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In a blog post for KABC, Leeann Tweeden wrote that Franken, who was a radio host for Air America at the time, forced himself on her as they were practicing a skit he wrote for the tour.

She said that, as the show’s emcee, she hadn’t expected to do more than introduce the acts, “but Franken said he had written a part for me that he thought would be funny, and I agreed to play along.”

In this image provided by the U.S. Army, sportscaster Leeann Tweeden and then-comedian Al Franken meet and greet military members during an autograph signing session of the USO Sergeant Major of the Army's 2006 Hope and Freedom Tour in Camp Arifjan, Kuwait, on Dec. 14, 2006. Sen. Al Franken, D-Minn., apologized Nov. 16, 2017, after Tweeden accused him of forcibly kissing her during the 2006 USO tour. Colleagues, including fellow Democrats, urged a Senate ethics investigation. Tweeden also accused Franken of posing for a photo with his hands on her breasts as she slept, while both were performing for military personnel two years before Franken was elected to the Senate. (Sgt. Thomas Day/U.S. Army 40th via AP)

Credit: Sgt. Thomas Day

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Credit: Sgt. Thomas Day

“When I saw the script, Franken had written a moment when his character comes at me for a ‘kiss,’” Tweeden wrote. “I suspected what he was after, but I figured I could turn my head at the last minute, or put my hand over his mouth, to get more laughs from the crowd.”

She said he badgered her to practice the kiss scene, and that she eventually agreed, despite her discomfort.

“We did the line leading up to the kiss and then he came at me, put his hand on the back of my head, mashed his lips against mine and aggressively stuck his tongue in my mouth,” she wrote. “I immediately pushed him away with both of my hands against his chest and told him if he ever did that to me again I wouldn’t be so nice about it the next time.”

She said that after the incident, she made sure not to be alone with Franken again.

“I felt disgusted and violated,” she wrote. “No one saw what happened backstage. I didn’t tell the sergeant major of the Army, who was the sponsor of the tour. I didn’t tell our USO rep what happened.”

She said she focused on entertaining the troops and didn’t speak up because she “didn’t want to cause trouble.”

“We were in the middle of a war zone, it was the first show of our holiday tour, I was a professional and I could take care of myself,” she wrote. “I told a few of the others on the tour what Franken had done, and they knew how I felt about it.”

She said that it wasn’t until she was looking through a CD of photos from the tour that she learned that Franken had groped her while she was asleep. She shared a photo of the incident, which showed her sleeping in a flak vest and Kevlar helmet as Franken’s hands hovered over her chest.

“I couldn’t believe it. He groped me, without my consent, while I was asleep,” she wrote. “I felt violated all over again. Embarrassed. Belittled. Humiliated. How dare anyone grab my breasts like this and think it’s funny?”

Franken apologized for the incident in a statement Thursday.

"I certainly don't remember the rehearsal for the skit in the same way, but I send my sincerest apologies to Leeann," he said, according to The Washington Post. "As to the photo, it was clearly intended to be funny, but wasn't. I shouldn't have done it."

Tweeden said she decided to come forward because “there may be others.”

“I want the days of silence to be over forever,” she wrote. “I want them, and all the other victims of sexual assault, to be able to speak out immediately, and not keep their stories –  and their anger – locked up inside for years, or decades.”