1. Russia cast doubt on assertions by the US that the Islamic State militant group was responsible for a gun attack on a concert hall outside Moscow.

2. Russia struck critical infrastructure in Ukraine's western region of Lviv with missiles.

3. Donald Trump faces a Monday deadline to post a bond to cover a $454 million civil fraud judgment.

4. The Philippines summoned China's envoy to protest against "aggressive actions" in the South China Sea.

5. US President Joe Biden and Japanese Prime Minister Fumio Kishida will agree next month to tighter military cooperation.

6. Britain will give details of the cyber security threat it says is posed by China and may blame Beijing for a hack on its electoral watchdog.