Experts from the United Nations have sent state-of-the-art detection equipment to Brazil over fears suicidal terror nuts will target the Olympics with a devastating ‘dirty bomb’.

The International Atomic Energy Agency (IAEA) has loaned hi-tech radiation monitors – including personal detectors and portable scanners – for use on the ground throughout the Games.

Brazil’s anti-terror chief has already admitted there is a ‘credible threat’ ISIS will target Rio next month and said ‘numerous measures’ are being taken to prevent any attack.

Counter-terrorism director Luiz Alberto Sallaberry said the threat had increased dramatically in recent months due to attacks across Europe.

He also pointed to a rise in what he described as the number of Brazilian nationals suspected of sympathizing with Daesh militants.

The ‘dirty bomb’ fears increased following the attacks in Brussels amid claims the brothers at the heart of the plot had tried to obtain nuclear materials so they could build their own bomb.

Daesh (ISIS) 'Will Target' the Rio Olympics 2016 - Brazil's Anti-Terror Chief

Read Next: Daesh (ISIS) 'Will Target' the Rio Olympics 2016 - Brazil's Anti-Terror Chief

A dirty bomb or radiological dispersal device (RDD) is a weapon that combines radioactive material with conventional explosives.

Read More: The Sun

Featured Image – DVIDS