President Barack Obama apologised to German Chancellor Angela Merkel for US spies bugging her calls, German magazine Der Spiegel reported.
Merkel reportedly called the US leader last week to seek clarification over bugging reports and was assured by the President that she was not "currently" being monitored.
It has since been revealed that Merkel's calls may have been monitored by the US since 2002.
More top news
A giraffe has been born in front of visitors to a zoo in Devon.
Viewers have complained that the act between French ventriloquist Marc Metral and his dog, Miss Wendy, is cruel.
Mother of Bobbi and Christi Shepherd accuses former Thomas Cook CEO Harriet Green of trying to use their memory to gain public sympathy