Issues remain with the network used by the Ukrainian military, sources say, after repeated denials of a deliberate slowdown.

The attack comes at a time of heightened tensions in the occupied West Bank and four days before Israel's general election.

Questions about the integrity of some of Abramovich's professional advisers, were raised earlier this month.

One person has died after being swept away by waves in Taiwan's Liuqiu island, authorities say.

The UN human rights chief Volker Türk says the multiple attacks may amount to war crimes.

Her husband is currently in isolation but has not developed any symptoms, Swiss officials say.