Ukraine launched its largest-ever drone attack on Moscow overnight, killing at least 2 people and striking a major oil refinery — all as Russia held the final day of parliamentary elections. Russia is completing its three-day vote for the Duma this Sunday – the first since its large-scale invasion of Ukraine. Key points and original sources are listed below.

• Ukraine launched its largest-ever drone attack on Moscow overnight, killing at least 2 people and striking a major oil refinery — all as Russia held the final day of parliamentary elections.S1

• Russia is completing its three-day vote for the Duma this Sunday – the first since its large-scale invasion of Ukraine. The election was organised for the first time also in the Ukrainian regions occupied by Russia, and it was marked by Ukrainian drone strikes...S2