The Spanish ships which entered British waters off Gibraltar acted in an "unlawful" and "dangerous" way, the Foreign Office has said.
"Not only were the actions of the survey vessel unlawful, but it was accompanied by a Spanish Guardia Civil vessel whose dangerous manoeuvring presented a significant safety concern on the waters," Europe minister David Lidington said.
More top news
Detectives are exploring the movements and criminal past of the middle-aged murderer of many aliases who wrought carnage in central London.
Disney boss Bob Iger said Carrie Fisher appears "throughout" Star Wars Episode 8 Jedi and nothing would be changed using special effects.
In an embarrassing setback for the president, Republicans failed to reach the number of votes to pass his new healthcare act into law.