Trip comes as Russia expands its air war against Ukraine ahead of winter and escalates ‘hybrid’ attacks on Europe Chancellor Friedrich Merz reiterated Germany’s backing for Ukraine as he arrived in Kyiv on Sunday and warned that Russia could attack the Western alliance if it’s not stopped. Key points and original sources are listed below.

• Trip comes as Russia expands its air war against Ukraine ahead of winter and escalates ‘hybrid’ attacks on EuropeS1

• Chancellor Friedrich Merz reiterated Germany’s backing for Ukraine as he arrived in Kyiv on Sunday and warned that Russia could attack the Western alliance if it’s not stopped.S2

• Chancellor Friedrich Merz is expected to announce a new raft of measures to support Ukraine, including military aid and plans for the joint production of interceptor drones.S3