
A police officer walks at the stairs of a deserted main railway station in Oslo, Oslo S, that was closed and evacuated early on 27 July 2011 after a suitcase with no apparent owner was discovered on one of the platforms. Bomb disposal experts were dispatched to the scene, reports said. The level of alert has been heightened in Oslo following last week's twin attacks that claimed 76 lives, of which eight were killed in a bomb explosion near the government offices. EPA/JOERG CARSTENSEN

People stand in front of the main railway station in Oslo, Oslo S, that was closed and evacuated early on 27 July 2011. EPA/JOERG CARSTENSEN

A police officer is standing in front of the evacuated main railway station in Oslo, Oslo S, that was closed and evacuated early on 27 July 2011 after a suitcase with no apparent owner was discovered on one of the platforms. Bomb disposal experts were dispatched to the scene, reports said. The level of alert has been heightened in Oslo following last week's twin attacks that claimed 76 lives, of which eight were killed in a bomb explosion near the government offices. EPA/JOERG CARSTENSEN

A police line cordons off the area after parts of Oslo main railway station, Oslo S, were closed and evacuated early on 27 July 2011 after a suitcase with no apparent owner was discovered on one of the platforms. Bomb disposal experts have been dispatched to the scene, reports said. The level of alert has been heightened in Oslo following last week's twin attacks that claimed 76 lives, of which eight were killed in a bomb explosion near the government offices. EPA/ERIK JOHANSEN NORWAY OUT

Bus driver Jack Vaadahl talks to media about the situation after parts of Oslo main railway station, Oslo S, were closed and evacuated early on 27 July 2011 after a suitcase with no apparent owner was discovered on one of the platforms. Bomb disposal experts have been dispatched to the scene, reports said.The level of alert has been heightened in Oslo following last week's twin attacks that claimed 76 lives, of which eight were killed in a bomb explosion near the government offices. EPA/ERIK JOHANSEN NORWAY OUT

Parts of Oslo main railway station, Oslo S, were closed and evacuated early on 27 July 2011 after a suitcase with no apparent owner was discovered on one of the platforms. Police and bomb experts are trying to assess the suitcase in situ. EPA/Ole-Tommy Pedersen NORWAY OUT

Parts of Oslo main railway station, Oslo S, were closed and evacuated early on 27 July 2011 after a suitcase with no apparent owner was discovered on one of the platforms. Police and bomb experts are trying to assess the suitcase in situ. EPA/STF NORWAY OUT