Moscow-Berlin ties -- already massively tense since Russia's Ukraine offensive -- spiralled further last week, with Germany accusing Russia of orchestrating a drone attack on Leipzig airport. Russia closed a German consulate general in St Petersburg following Berlin's decision to close a Russian consulate and accusations that the Kremlin had attempted a drone attack at a German airport. Key points and original sources are listed below.

• Moscow-Berlin ties -- already massively tense since Russia's Ukraine offensive -- spiralled further last week, with Germany accusing Russia of orchestrating a drone attack on Leipzig airport.S1

• Russia closed a German consulate general in St Petersburg following Berlin's decision to close a Russian consulate and accusations that the Kremlin had attempted a drone attack at a German airport.S2

• The tit-for-tat move marks a new escalation in Berlin and Moscow’s worsening diplomatic fight.S3

• Russia shuts German consulate in St Petersburg in titfortat move after drone rowS4

• Russia’s Foreign Ministry has announced the closure of the German consulate in St. PetersburgS5

• Russia's Foreign Ministry on Monday announced the closure of the German consulate in St. Petersburg, a tit-for-tat move that reflected the simmering tensions between the two countries.S6