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The player's spokesman, Karel Tejkal, said the 26-year-old suffered a left hand injury and was treated by doctors.
Tejkal said the incident, which he described as a burglary, occurred Tuesday morning and that Kvitova's injuries were not life-threatening.
Also Tuesday, Kvitova withdrew from the Czech Republic team at next month's Hopman Cup mixed-team tennis tournament because of an earlier foot injury. Earlier on her Twitter account, Kvitova said she was “so disappointed” she could not play in the event.
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