Police investigate an explosion outside the U.S. Embassy in Oslo

"The explosion was caused by some sort of incendiary device, Oslo police representative Frode Larsen said during a news conference Sunday. Investigators believe the embassy was the target and are searching for the perpetrators and their motive."

"This is an unacceptable incident that is being treated with the utmost seriousness, said Astri Aas-Hansen, Norway's minister of justice and public security. The police have stated that they are investigating the case with significant resources, and that nothing indicates the situation poses any danger to the public."

"Police received reports of a loud bang or explosion around 1 a.m., Oslo police said in a news release. Local media reported minor damage to an entrance of the embassy, and people nearby said the street was blanketed in thick smoke following the blast."

Norwegian police are investigating an explosion outside the U.S. Embassy in Oslo that occurred around 1 a.m. on Sunday. The blast was caused by an incendiary device, with investigators confirming the embassy was the intended target. Minor damage occurred at an entrance, and thick smoke covered the surrounding street. No injuries were reported. Police are actively searching for the perpetrators and their motive while seeking witness statements. The Norwegian security service PST deployed additional personnel but maintained the country's existing terror threat level. Officials emphasized the incident is being treated with utmost seriousness, though authorities stated nothing indicates danger to the public.

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