Afghans, enraged over massacre, start killing each other

KABUL (Reuters) - Suspected insurgents opened fire on Tuesday on senior Afghan investigators of the massacre of 16 civilians by a lone U.S. soldier, Afghan officials said, just hours after the Taliban threatened to behead American troops to avenge the killings.

The gunmen shot from long range at two of President Hamid Karzai's brothers, Shah Wali Karzai and Abdul Qayum Karzai, and security officials at the site of the massacre in Kandahar's Panjwai district.

Karzai's brothers were unharmed in the brief battle, which began during meetings with local people at a mosque near Najiban and Alekozai villages, but a soldier was killed and a civilian wounded. The area is a Taliban stronghold and a supply route.

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