The Oslo police bomb squad has removed the object and can confirm that it was a dummy bomb," police said in a statement.

When the bomb squad expert were dealing with one of the bombs, it exploded killing three policemen, one civilian and two unidentified men.

The Oslo police bomb squad has removed the object and can confirm that it was a dummy bomb,” police said in a statement.

When the bomb squad experts were dealing with one of the bombs, it exploded killing three policemen, one civilian and two unidentified men.

When the bomb squad expert were dealing with one of the bombs, it exploded killing three policemen, one civilian and two unidentified men.

A plan was devised to prevent a group of German engineers from setting mines at the Ponte della Sanità to cut off the city’s centre.

A plan was devised to prevent a group of German engineers from setting mines at the Ponte della Sanità to cut off the city's center.

A plan was devised to prevent a group of German engineers from setting mines at the Ponte della Sanità to cut off the city's center.

A plan was devised to prevent a group of German engineers from setting mines at the Ponte della Sanità to cut off the city's center.

A plan was devised to prevent a group of German engineers from setting mines at the Ponte della Sanità to cut off the city’s centre.

A plan was devised to prevent a group of German engineers from setting mines at the Ponte della Sanità to cut off the city’s centre.

Khadr was taken to Afghanistan by his father, a senior al Qaeda member who apprenticed the boy to a group of bomb makers who opened fire when U.S. troops came to their compound.