Norwegian police said on Wednesday that three brothers had been arrested on suspicion of a “terrorist bombing” over a weekend explosion at the US embassy in Oslo that caused minor damage but no injuries. Police prosecutor Christian Hatlo told a press conference the brothers, who were Norwegian citizens of Iraqi origin, had been arrested in Oslo around 3.30pm and that police were investigating the motive. “We are still working from several hypotheses. One of them is whether this is an order from...