Guerrilla phase of the Second Chechen War

Russian officials said Friday they had arrested three people plotting an attack in the country's south, a week after the assault on a Moscow concert hall killed at least 144 people.

The FSB security agency said it had "put an end to the terrorist activities of three nationals from a Central Asian country", Russian news agencies reported.

Russia's FSB security service said Thursday it had killed ISIL militants who were planning a "terrorist attack" on a Moscow synagogue, Russian state news agencies reported.

The FSB said an ISIL cell based in Kaluga, southwest of Moscow, had been planning to shoot Jewish worshippers at a synagogue in the capital.

A massive explosion at a gas station in Russia's southern republic of Dagestan killed 27 people and injured more than 100, local officials said Tuesday.

Three of those killed were children, Dagestan's governor Sergei Melikov said.

One person was killed and two others wounded in a shooting at a military training ground in Gifu, central Japan today, local media reported.

Two servicemen were injured, one of whom is in critical condition. No civilians were injured. The 18-year-old soldier who fired the rifle was arrested at the scene on suspicion of attempted murder.

Several people were wounded when shots were fired at a commuter rail station near the southern German city of Munich on Tuesday and one person was detained, police said, AFP reported.

"Several people were injured by shots. A female police officer was badly wounded," Munich police tweeted.

One militant was killed and one police officer was wounded on Jan. 10 in an armed clash that erupted at the police headquarters in the southeastern province of Gaziantep, private broadcaster CNN Türk has reported.

A powerful explosion has been occurred outside a mosque in the city of Nazran, southern Russia injuring at least two people.

The explosion was caused by an explosive device placed in car parked near the mosque.

“A private car parked near the mosque was blown up,” a security forces source told RIA Novosti, adding that at least two people were injured.

Three people died while 18 more were injured on Monday when a bomb placed inside a car was detonated in the Dagestan Republic, southern Russia.

RT is reporting that the incident happened near a police checkpoint in the town of Derbent.

The Islamic State of Iraq and the Levant (ISIL) said its suicide bomber had blown up a car in Russia's volatile Dagestan that killed two policemen on Feb. 15, the deadliest attack in the southern republic since 2013.

A police vehicle carrying special operation police teams was involved in a car accident as it headed from the eastern province of Bitlis to the Mu? Airport.

Two police officers were killed and two were wounded when the vehicle crashed into a trucking rig. Meanwhile, one of the wounded police officers was reported to be in critical condition.