German chancellor Angela Merkel has won a fourth term, but now faces the tricky prospect of forming a coalition with two disparate new partners after voters weakened her conservatives and a nationalist, anti-migrant party surged into parliament.

Germany’s Parliament has elected Chancellor Angela Merkel to a third term as the leader of Europe’s biggest economic power, nearly three months after an awkward election result forced her to put together a new governing coalition.

A nurse faces murder and manslaughter charges as he goes on trial this week over the deaths of 29 patients in what has been described as the biggest series of killings in post-Second World War Germany.