Security tightened after Bagram attack

Security is now even tighter across Afghanistan in the wake of a brazen pre-dawn attack at one of the country’s biggest NATO bases.

An American contractor was killed and nine U.S. troops were wounded. Ten insurgents also died.

Overhead, helicopter gunships patrol the skies.

A local police chief says the militants were killed before they achieve their ultimate goal.

Bagram is the main base for U.S.troops in Afghanistan. It is also a prison, notorious among Afghans due to reports of torture and ill-treatment of suspected Taliban prisoners.

A NATO-led military convoy was bombed yesterday near the derelict Darulaman palace on the outskirts of Kabul.

There are regular bomb attacks against NATO troops in Taliban strongholds in the south, but high-profile assaults like those in Bagram and Kabul are rare.

Observers believe this could mark the start of a Taliban spring offensive against high-profile foreign targets throughout the country.

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