READ MORE: Link Moscow concert hall horror - Graphic clip shows terrorists firing into crowd The incident is being investigated as a terrorist attack, according to Russia's Investigative Committee.

In Moscow, as a result of a terrorist attack using an improvised explosive device (IED) in the elite residential complex ...

ISIS eventually claimed authorship of the terrorist attack ... Agency announced that security was upped at Moscow's four main airports. The attack took place just two weeks after the US Embassy ...

A Russian strike on a residential building in central Ukraine killed at least 14 people, including two children, emergency ...

Although the missiles and unmanned aerial systems sometimes strike actual targets of military interest, most of the time they land on residential buildings.

Donald Tusk, the Polish president, has claimed Russia has planned terror attacks in the air against Poland and other countries. Meanwhile, Donald Trump's advisers ...

“Ukraine has never resorted to the use of terrorist methods,” he posted ... the country had any involvement and accused Moscow of using the attack to try to stoke fervor for its war efforts.

President Volodymyr Zelenskyy called on Western partners to apply more pressure to Russia after a deadly overnight ballistic ...

Welcome back to our live coverage of the war in Ukraine. Before we begin, here's a map showing the battlefield situation: Here's what you need to know this week... Trump could change face of the ...