Oslo: Norwegian police has blocked an area in central Oslo and detained one suspect on Saturday night after they found a bomb-like object. The suspect was arrested for questioning after the subject was found in Gronland in Oslo, Xinhua cited public broadcaster NRK as saying.

"There was a police patrol who came across a man they became interested in. In connection with him, they found a box with content that police believe is suspicious," Svein Arild Jorundland, a police commander, was quoted as saying.