Russia-Ukraine live news: Nine humanitarian corridors agreed

Deal struck with Russia includes humanitarian corridors out of Luhansk, where a ceasefire has been announced

Ukraine agrees deal with Russia to set up nine humanitarian corridors.

Qazet.az reports that the agreement does not cover the besieged southeastern port city of Mariupol, but includes routes out of Luhansk, where a ceasefire has been announced.

Ukrainian President Volodymyr Zelenskyy says about 100,000 civilians remain trapped in Mariupol without food, water and medicine.

Kremlin spokesman Dmitry Peskov says Russia could use nuclear weapons if faced with an “existential threat”.