Roundup: Europe gears up for Paris Olympics amid heightened terror threats

PARIS/BERLIN, July 26 (Xinhua) -- As millions of visitors descend on Paris for the Summer Olympic Games starting Friday, the city is on high alert for terrorist attacks, with tens of thousands of armed soldiers patrolling the Seine River.

"If there is one event that is under pressure, it's the Olympic Games," said Christophe Dubi, an International Olympic Committee executive.

According to French media rep