Alexander Bortnikov

Ukrainian military intelligence was directly involved in a deadly attack on a concert hall near Moscow in which over 140 people were killed, the head of Russia's Federal Security Service (FSB) Alexander Bortnikov said, TASS reported on Friday.

Russia gave no security guarantees to US President Joe Biden during his unannounced visit to war-torn Ukraine, Russian intelligence agency director Alexander Bortnikov said on Tuesday.

Russia will work together with the United States to locate cyber criminals, the RIA news agency quoted FSB security service chief Alexander Bortnikov as saying on Wednesday.

Two employees of Egypt's Sharm al-Sheikh airport have been detained for questioning over the crash of a Russian airliner that killed all 224 people aboard, two security officials and an airport employee said on Tuesday.

Two suspects have been detained in relation to the murder of Russian opposition leader Boris Nemtsov, the head of the Federal Security Service Alexander Bortnikov said today.

Despite strained US-Russian ties, the head of Russia's FSB security forces was Wednesday leading Moscow's delegation to a White House summit aimed at battling violent extremists, a US official said.

The European Union on Friday extended its Ukraine-related sanctions to target top Russian intelligence officials and leaders of the pro-Russia revolt in eastern Ukraine, official documents showed.

Ukrainian military intelligence was directly involved in a deadly attack on a concert hall near Moscow in which over 140 people were killed, the head of Russia's Federal Security Service (FSB) Alexander Bortnikov said, TASS reported on Friday.

Russia gave no security guarantees to US President Joe Biden during his unannounced visit to war-torn Ukraine, Russian intelligence agency director Alexander Bortnikov said on Tuesday.

Russia will work together with the United States to locate cyber criminals, the RIA news agency quoted FSB security service chief Alexander Bortnikov as saying on Wednesday.

Two employees of Egypt's Sharm al-Sheikh airport have been detained for questioning over the crash of a Russian airliner that killed all 224 people aboard, two security officials and an airport employee said on Tuesday.

Two suspects have been detained in relation to the murder of Russian opposition leader Boris Nemtsov, the head of the Federal Security Service Alexander Bortnikov said today.

Despite strained US-Russian ties, the head of Russia's FSB security forces was Wednesday leading Moscow's delegation to a White House summit aimed at battling violent extremists, a US official said.

The European Union on Friday extended its Ukraine-related sanctions to target top Russian intelligence officials and leaders of the pro-Russia revolt in eastern Ukraine, official documents showed.