The tech billionaire accuses Ukraine of violating its terms of service by using the network for military activity.

Machado had left the country just a month before the US government seized Venezuelan President Nicolás Maduro.

Serbia is heading to the polls as a student movement attempts to oust longtime populist leader Aleksandar Vučić.

He will be observed to evaluate whether his "psychiatric health is compatible with pursuing his interrogation", authorities said.

The Israeli Defense Forces announces restrictions on the movement of Palestinian workers in the run-up to Tuesday's election.

The authorities had justified the ban by saying online content was fuelling conflict, while the opposition had condemned it as an abuse of power.