"We have agreed to work with the United States and allies in the region on this issue," the countries' leaders wrote in the statement, according to 10 Downing Street.
British Prime Minister Keir Starmer, German Chancellor Friedrich Merz and French President Emmanuel Macron condemned Iran's "indiscriminate and disproportionate" missile attack on several countries in the region, including those not involved in the initial US and Israeli military operations.
