A Russian-Ukrainian man suspected of attempting to make a bomb and planning a terror act has been arrested in France.
The 26-year-old was badly burned after an explosion on Tuesday in a hotel room in Roissy-en-France, near Paris's Charles de Gaulle airport, the BBC reports.
Evidence of bomb-making materials and devices were discovered in his hotel room, the National Anti-Terrorism Prosecutor's Office said.
Guns and false passports were also found, according to local media.
Anti-terrorist prosecutors and France's domestic spy agency are investigating the case, Reuters reports.
The suspect was treated in hospital for major burns before being arrested. He was then interviewed in hospital by prosecutors.
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He is reportedly a Russian-speaker from the Donbas region in eastern Ukraine, much of which is occupied by Russian forces.
US President Joe Biden, Ukrainian leader Volodymyr Zelenskyy and other world leaders are expected to attend the main event on Thursday.
The French government has raised the nation's security alert to the highest level ahead of the Olympic Games in Paris from July 26 to August 11.
Last month, French intelligence services foiled the first planned attack on the Games, with the arrest of a Chechen man accused of preparing a suicide mission at Saint-Etienne's football stadium.
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