Cologne, Germany  - Three self-styled jihadist teenagers who ambushed German police officers were convicted Friday of attempted robbery and conspiracy to commit a crime by a court in Cologne, Germany.

One, aged 18, was sentenced to three years of youth detention, while a 17- and 15-year-old had their respective 9-month and 18-month youth-detention sentences suspended.

Baden-Baden, Germany - The NATO summit celebrating the alliance's 60th birthday opened Friday evening in the German resort of Baden-Baden as heads of state and government of the 28 member nations gathered for a concert and dinner.

The concert, by renowned German concert violinist Anne-Sophie Mutter, preceded a working dinner at which NATO leaders were expected to tackle the thorny problem of finding a successor to the alliance's outgoing secretary general, Jaap de Hoop Scheffer.

Baden-Baden, Germany  - NATO needs to adopt a new vision to cope with the demands of the 21st century, US President Barack Obama said during a visit to Germany on Friday.

"I don't come bearing grand designs," he said ahead of summit marking the alliance's 60th anniversary. "I'm here to listen, to share ideas, and jointly - as one of many NATO allies - to help shape our vision for the future."

Washington  - A war-crimes suspect from the Nazi era, John Demjanjuk, has filed a last minute emergency court motion to stop his deportation to Germany, where he is expected to be prosecuted for his alleged role in assisting in the killing 29,000 Jews, a newspaper reported Friday.

Demjanjuk, who turned 89 on Friday, was to be picked up by federal agents and flown to Munich for a Monday arrival, German justice officials have said.

The Cleveland Plain Dealer reported that Demjanjuk, who is physically ailing, filed an emergency motion Thursday in US Immigration Court in Arlington, Virginia.

Baden-Baden, Germany  - German Chancellor Angela Merkel said she expected NATO to choose a new secretary general as early as Friday evening.

"We want to establish the succession this evening," Merkel told journalists in Baden-Baden ahead of a meeting in the German city with US President Barack Obama.

Like most other NATO leaders, Merkel supports Danish Prime Minister Anders Fogh Rasmussen to succeed Jaap de Hoop Scheffer as NATO chief. The Dutchman has said he will leave his post at the end of July.

Baden-Baden, Germany - US President Barack Obama arrived in Germany on Friday for talks with Chancellor Angela Merkel ahead of NATO's 60th anniversary summit.

The president flew in by helicopter from the French city of Strasbourg, which is jointly hosting the two-day gathering with Baden-Baden and Kehl in south-west Germany.

Before their talks, Merkel and Obama took a stroll across Baden- Baden's main square to the town hall where the president was signing the visitors book.