Police collect evidence at the site of the murder of Denis Voronenkov, last March, in Kiev. Photograph: Ivan Kovalenko/Kommersant via Getty Images

Ukrainian prosecutors say former Russian deputy Denis Voronenkov was shot dead in Kiev in March on the orders of his wife’s ex-partner, who they alleg(...)

Mikhail Khodorkovsky: “They are trying to keep their opponents’ mouths shut.” Photograph: Alexander Nemenov/AFP/Getty Images

Political tensions rose in Russia on Thursday as police swooped on the homes of opposition activists linked to Open Russia, a pro-democracy group fou(...)

Fighters from the Hashed al-Shaabi backing the Iraqi forces, advance through Hawija, after retaking the city from Islamic State group fighters. Photograph: Ahmad al-Rubaye/AFP/Getty Images

Iraqi forces announced on Thursday they had captured Islamic State’s last stronghold in northern Iraq, leaving the militant group holed up near the Sy(...)

Residents who support a united Spain give their farewell to Spanish police officer leaving the Pineda de Mar hotels in Barcelona. Photograph: Andreu Dalmau/EPA

Most of today’s nations emerged from the dissolution of empires. Nationalisms now threaten the dissolution of states. The independence movement in Cat(...)

Russian opposition leader  Alexei Navalny: has called for protests at St Petersburg and Moscow on Saturday.   Photograph: Maxim Shipenkov/EPA

Kremlin critic Alexei Navalny called on his supporters on Wednesday to hold street protests this weekend across Russia, in defiance of an official ban(...)

Russian opposition leader and anti-corruption blogger Alexei Navalny (centre)  at the Simonovsky District Court in Moscow, Russia, today. Photograph: Maxim Shipenkov/EPA

A court sentenced Russian opposition leader Alexei Navalny to 20 days in jail on Monday on charges of repeatedly violating laws governing the organisa(...)

Syrian Kurds wave the Kurdish flag, in the northeastern Syrian city of Qamishli during a gathering in support of the independence referendum in the  Kurdish region. Photograph: Delil Souleiman/AFP/Getty Images

Grand Ayatollah Ali al-Sistani, Iraq’s most powerful Shia cleric, has called on Iraqi Kurds to “return to the path of the constitution” and end effort(...)

Russian opposition leader Alexei Navalny waves from behind the window of a police station in Moscow on Friday following his arrest. Photograph: Maxim Zmeyev/AFP/Getty Images

Police in Moscow detained Alexei Navalny, a Russian opposition politician and anti-corruption crusader, on Friday, hours before he was to address his (...)

Alexander Zharov, head of Russia’s communications watchdog, Roskomnadzor.

Facebook will by shut down in Russia next year if it fails to comply with requirements to store user data locally, according to the head of Russia’s s(...)

Facebook founder Mark Zuckerberg: dismissive of the idea that social media and artificial intelligence could be used for global domination. Photograph: Brian Snyder/Reuters

The idea of Mark Zuckerberg running for president was always sort of scary. But now it’s really scary, given what we’ve discovered about the power of (...)