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 Rotterdam, 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.
