President Barack Obama is considering banning US intelligence collection on allied leaders, a senior Obama administration official has said.
Reports that eavesdropping included German Chancellor Angela Merkel have now extended to France, Italy, Spain and elsewhere.
The official said the US has made some individual changes in eavesdropping practices, but has not yet made across-the-broad policy changes such as ending intelligence collection aimed at allies.
More top news
Kasabian guitarist Serge says Leicester City's title charge has felt like an out of body experience.
An aircraft carrying 150 passengers was forced to make an emergency landing after hitting a bird causing a huge dent in the plane's nose.