Police in Webster, New York State have confirmed that all four firefighters involved in the shooting earlier this morning were shot at the scene.
A police spokesman said: "All four firefighters were shot at the scene. One firefighter was able to flee the scene on his own. The other three were pinned down at the location."
"Two received serious injuries from the shots and are being treated at local hospitals."
More top news
Ice is likely to cause tricky travel conditions in parts of England after the UK experienced a weekend of freezing temperatures and snow.
Angela Merkel has taken a step towards forming a cross-party coalition and ending months of political deadlock.
Thousands of women's rights campaigners have held a rally outside Downing Street.