German government blamed Moscow for the incident, saying Russia sent “low-level agents” for an attempted “hybrid attack” involving an explosive-laden drone at the strategic airport in eastern Germany Moscow and Berlin closed each other's cultural centres this week, with EU countries summoning Russian envoys. Key points and original sources are listed below.

• German government blamed Moscow for the incident, saying Russia sent “low-level agents” for an attempted “hybrid attack” involving an explosive-laden drone at the strategic airport in eastern GermanyS1

• Moscow and Berlin closed each other's cultural centres this week, with EU countries summoning Russian envoys.S2