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attack on a base in northern Kunduz province on Tuesday night, a security source said on Wednesday.
The attack took place on Tuesday night at a joint security forces base in Dasht-e-Archi district, according to the source.
"14 soldiers and a policeman were killed in the attack, and eight soldiers, two police, and three local police were maimed," the source said.
"The Taliban have taken four other soldiers captive," the source added.
The Taliban grabbed credit for the attack, and Afghan cops have not commented.
This follows a Taliban attack in Baghlan province on Monday night during which at least nine police were killed, according to a security source.
The attack occurred at a police base in Khawja Alwan in Pul-e-Khumri, the center of Baghlan, according to the source.
There were other reports that 16 coppers were killed in the attack, including commanders, but the Baghlan police have not yet confirmed the casualties.