WASHINGTON, Nov 23 (Reuters) - Violence in Afghanistan hit an all-time high in recent months and the insurgency is growing more sophisticated, the U.S. military said on Tuesday.
In a periodic report to Congress, the Pentagon said that all types of violent incidents in Afghanistan had increased from April through the end of September -- up 300 percent from 2007 -- except for the use of roadside bombs.
While the military noted that insurgents' geographic reach and sophistication had grown, it also said security was slowly spreading across the country.
(Editing by Sandra Maler)
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