Russia's representative in the UK also dismisses suggestions of interference in British politics.

US presidents are among those paying tribute after the civil rights icon died of cancer, aged 80.

Urumqi, the capital of Xinjiang, has a small number of infections but strict counter-measures.

Iran says the plane, which had 176 people on board, was mistaken for a cruise missile.

Prosecutors say three fires were started at the site, and are treating the blaze as a criminal act.

It says attackers copied records from up to eight hacked users, but none were "blue tick" accounts.

Demonstrators say they are taking to the streets "because our governor was stolen from us".

Men wearing camouflage and driving unmarked cars grabbed demonstrators without explanation.

Lewis, who was the last of the Big Six civil rights leaders, was diagnosed with cancer in December.

His remarks come as infectious disease expert Dr Anthony Fauci urged people to wear face coverings.