Watch: Huge fire rips through historic Amsterdam church during New Year celebrations

Police in the Netherlands were pelted with fireworks and faced an "unprecedented amount of violence" on New Year's Eve, officers have said.

A 19th century church in Amsterdam was engulfed by fire in the early hours of New Year's Day, although the cause of the blaze is not yet known.

The Vondelkerk, which overlooks the largest park in the city, the Vondelpark, has been a tourist attraction since it was built in 1872.

Elsewhere in the Netherlands, a 17-year-old boy and 38-year-old man were killed in fireworks incidents. In Bielefeld, Germany, local police said two 18-year-olds died after setting off homemade fireworks.

The head of the Dutch Police Union, Nine Kooiman, said she had been pelted by fireworks and other explosives on her shift in Amsterdam.

The amount of violence was "unprecedented" she said.

Reports of attacks against police and firefighters were widespread across the country.

Petrol bombs were thrown at police in the southern city of Breda. In Rotterdam, the city's eye hospital said it had treated 14 patients, including 10 minors, for eye injuries. Two received surgery.

A 17-year-old boy from Nijmegen and a 38-year-old man from Aalsmeer were killed in fireworks incidents, local media reported.

In Amsterdam the 50-metre high tower of the historic Vondelkerk church collapsed. Authorities said the roof was badly damaged but the structure was expected to remain intact.

The neo-Gothic basilica was designed by architect Pierre Cuypers whose works also include the Rijksmuseum.

A ban on unofficial fireworks is due to come into force in 2026. According to the Dutch Pyrotechnics Association, a record €129m (£112m) had been spent on them this year.