Ukraine says detained man was planning attacks in France

Members of Ukraine's state security service detain a French citizen who had been planning attacks in France to coincide with the Euro 2016 football championship it is hosting, on the Ukrainian-Polish border in Volyn region, Ukraine, in this undated photo released by Ukraine's state security service on June 6, 2016. Ukraine's State Security Service/Handout via REUTERS

KIEV (Reuters) - Ukraine's state security service said on Monday a French citizen detained in late May on the border with Poland had been planning attacks in France to coincide with the Euro 2016 football championship it is hosting.

The Ukrainian border guard service reported on Saturday that the unnamed 25-year-old had been arrested with an arsenal of weapons and explosives including rocket launchers and Kalashnikov assault rifles in his vehicle.