Three Syrian men have been arrested in drupa’s hometown of Dusseldorf, Germany after authorities foiled an alleged attack plan on the historic city.

According to German reports, the three Syrian nationals had planned an explosive terrorist attack on Dusseldorf’s Heinrich-Heine-Allee, a main street with a number of major public transport links.

Two of the would-be offenders were reportedly planning to use suicide bombs, and the third man allegedly had instructions to ‘kill more passerbys’.

The alarming news has spread through the drupa fairground quickly; an industry insider says many drupa visitors ‘are on edge’.

Authorities believe the attack plans were to target the large number of tourists milling through Dusseldorf’s city centre. Some 300,000 global visitors are currently stationed at drupa in Dusseldorf for the world’s largest trade fair.

In a statement released by German federal prosecutors, the three men had plans to ‘carry out an attack in Dusseldorf’s Old Town’.

“After the planning of Saleh A. and C. Hamza two suicide bombers in Dusseldorf should at the Heinrich-Heine-Allee each ignite an explosive vest. Then more bombers should kill as many passersby with guns and other explosives,” the statement reads.

At this stage of investigations, German authorities believe the foiled suicide bombing attempts are linked to foreign terrorist organisation ISIS.

According to the reports, a fourth man was also arrested in France after giving himself up to French authorities and revealing details of the terror plot.

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