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Texans head coach Kubiak collapses at halftime

Houston, TX (SportsNetwork.com) - Houston head coach Gary Kubiak collapsed while running off the field and into the locker room during halftime of the Texans' Sunday night game against the Indianapolis Colts.

He was carted off the field on a stretcher and was taken to a local hospital.

Kubiak fell to his knees around the 24-yard line near the Texans' sideline. He attempted to sit up, but was unable to stay upright. Kubiak is conscious and with his family in the hospital.

"He had an episode, he was light-headed and dizzy," Houston general manager Rick Smith said in an interview on NBC. "He was evaluated by a number of specialists ... we have to assess."

Defensive coordinator Wade Phillips took over as interim coach after Kubiak left.

"The doctors and our medical staff took care of him here and then he went to a local hospital. All of his vital signs are good. He did not have a heart attack, but they are still checking on everything with him," Phillips said.

"It was really weird. Someone came in and started yelling for a trainer. They said that he (Kubiak) had passed out, and we were all very worried. When we went back out, they told us that he was alright, that he was stable. They didn't know what was going on yet. Obviously we were all upset about that but trying to stay focused at the same time," Texans quarterback Case Keenum said.

Kubiak's incident came a day after Denver Broncos head coach John Fox was hospitalized in North Carolina. Fox will have an aortic heart valve replacement and will miss "at least the next several weeks" of the season, the team said Saturday night.

Fox was taken by ambulance to a Charlotte, N.C.-area hospital on Saturday after complaining of lightheadedness during a golf outing, according to the Broncos.

The reeling two-time defending AFC South champion Texans led 21-3 at halftime before unraveling in the second half, falling 27-24 to suffer their sixth straight loss.

11/04 02:36:06 ET