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Last Updated: Monday, 8 August 2005, 21:50 GMT 22:50 UK
NYC tests for biochemical attack
By Jeremy Hillman
BBC News, New York

Man wears a backpack inside Cortlandt Street subway station
New York boosted security following attacks in London
Officials in New York City have begun conducting a large-scale anti-terror test aimed at simulating the effects of a major biochemical attack.

Scientists released a harmless gas in the city's underground railway system.

Hundreds of devices across New York are now tracking the way the gas is being carried by the airflows between Manhattan's skyscrapers.

Officials hope the exercise will help in planning how and where people should be evacuated in case of a real attack.

The exercise comes as the city has raised security following the bombings London's transport system last month.

Complex

Monday is the first of six days of testing this month when gas will be released at different locations and times of day.

A spokeswoman for a programme involved in the project said "it went very well".

Around 100 scientists are working on the simulation.

The gas will be collected and analysed by hundreds of devices placed in baskets and on rooftops across the city, including in Times Square.

This exercise is one of the most complex gas trials ever conducted.


SEE ALSO:
Random searches divide New York
05 Aug 05 |  Americas
NY commuters face random searches
21 Jul 05 |  Americas
US holds massive terror exercise
05 Apr 05 |  Americas
Terror attack 'real possibility'
01 Apr 05 |  Suffolk
UK terror attack exercise planned
03 Mar 03 |  UK Politics


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