John Kerry calls Trump's criticism of Merkel 'inappropriate'

Kerry told CNN that is was not appropriate for Trump to step into another nation's politics

Outgoing US Secretary of State John Kerry said on Monday that President-elect Donald Trump had been wrong to criticise "courageous" German leader Angela Merkel, calling his remarks "inappropriate".

"I thought, frankly, it was inappropriate for a president-elect of the United States to be stepping into the politics of other countries in a quite direct manner," Kerry told CNN's Christiane Amanpour.