Alex Trebek

Jeopardy! host Alex Trebek is on crutches after he snapped his Achilles tendon while trying to foil a burglary attempt, ABC's San Francisco affiliate reports.

Trebek, 71, also injured his other leg when he fell while chasing a thief at his San Francisco hotel at 2:30 a.m. Wednesday. A female burglar entered the game show host's room and stole cash, a bracelet from his mother, as well as other items. The woman hid the items near an ice machine, and Trebek hurt himself while pursuing her down the hallway.

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A 56-year-old white female was arrested and booked on felony burglary and possession of stolen property, San Francisco Police tells ABC. All items except for the cash and bracelet were recovered.

Trebek told the crowd at the National Geographic World Championship, which he is in town to host, that he is set to undergo surgery on Friday. He is expected to be in a cast for six weeks.