The Latest Breaking News from SBU

Ukraine's State Security Service (SBU) said it has launched a criminal investigation into Andrei Ruzinsky, a Russian commander Reuters identified last year as helping lead the military occupation of eastern Ukraine.

Ukraine's state security agency has served businessman Dmytro Firtash and top managers of companies he controls with "notices of suspicion" of embezzlement, the Security Service of Ukraine (SBU) said in a statement on Monday.

As a crowd gathered outside the white-brick Orthodox church in the village of Karyshkiv in western Ukraine, raised voices quickly turned to shouting. Soon old women were crying.

Russian nationalist writer Zakhar Prilepin has survived a car bomb investigators are claiming was orchestrated by Ukraine.

Decades after the catastrophe, now a byword for state secrecy, crucial elements remain a mystery, Andy Gregory writes

Decades after the catastrophe, now a byword for state secrecy, crucial elements remain a mystery, Andy Gregory writes

Within the walls of an extraordinary 1,000-year-old complex of caves, crypts and chapels, a brutal political game is playing out.

Jens Stoltenberg says Ukraine will be able to retake more land; Kyrylo Budanov accused of ‘terrorist attacks’ and arms smuggling

A number of Ukrainian servicemen have been accused of treason for giving away information during an unauthorised mission that enabled Russia to attack a military airfield, Ukraine's SBU security agency said on Thursday.

During an interrogation by Russian intelligence officers at a police station in Ukraine’s Balakliia town in June, local businessman Ruslan Volobuyev was beaten by one of the men, he said. At one point, according to Volobuyev’s account, a thick-set man in his 40s with a cleft chin entered the room.…

Ukraine's security service said on Thursday it had seized more than 3.5 billion hryvnia ($96 million) worth of assets belonging to exiled billionaire Vadym Novynskyi, but a representative for Novynskyi said he was no longer their owner.