ABUL, Afghanistan - Mistaking each other for the enemy, Afghan police fired four dozen grenades and U.S.-led coalition troops fought back with helicopter gunships in a fierce battle that left eight officers dead before dawn Tuesday, officials said. The deadly lapse in communication underscored the wide gaps — and apparent mistrust — between U.S. and Afghan security forces.

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A presidential spokesman also said police initiated the shooting, but officers at the isolated post on a barren stretch of desert in the eastern province of Nangarhar said U.S. troops fired first.

Who's on first? Oops, wrong reference, but if the shoe fits...