How Hungary's knife-edge election could impact the US and Russia

Hungarian Prime Minister Viktor Orbán has been in power for 16 years.

As a friend to both Russian President Vladimir Putin and US President Donald Trump, there is much international attention on the country's 12 April elections.

The BBC's Europe Editor Katya Adler reports from Orbán's home town of Felcsút on why the knife-edge vote matters to the US and Russia.