The Kremlin said it had received a request from the US president to halt strikes on Kyiv until 1 February, but declined to comment further.

The multiparty system had been "promoting division among citizens", the country's interior minister said.

Kurdish-run prisons hold about 8,000 suspected IS fighters and around 34,000 of their family members in camps.

The move follows Donald Trump's previous claim the US was taking the crucial Panama canal "back" from China.