The US embassy in Oslo was hit by an explosion, causing minor damage but no injuries, Norwegian police said, as the justice minister said a thorough investigation had been launched.⁣ ⁣ The blast at the embassy compound in western Oslo occurred at around 1 a.m. local time, sending thick smoke into the street by the entrance of the consular section, eyewitnesses have said.⁣ ⁣ Police said they were searching for one or more potential perpetrators, with Justice Minister Astri Aas-Hansen saying they had deployed "considerable resources" to the investigation.⁣ ⁣ "This is an unacceptable incident that we are taking very seriously," she told Norwegian press agency NTB.⁣ ⁣ Police said no further explosive devices had been found in the area.⁣ ⁣ ‘Investigations have been carried out at the scene with the aid of dogs, drones and a helicopter, searching for one or more potential perpetrators,’ the Oslo police department said in a statement.⁣ ⁣ 📸NTB/Hans O. Torgersen via Reuters⁣ ⁣ #oslo #usembassy