Security Measures Raised After Oslo Embassy Blast
Explosion caused minor damage but no injuries at U.S. Embassy consular section.
Suspects are Norwegian citizens of Iraqi origin, not previously known.
Investigators examine hypotheses, including links to Middle East crisis and government involvement.
Authorities increased security for Iranian and Jewish communities in Norway.
Global diplomatic missions remain on high alert due to Iran war threats.
Rep. Rick Crawford called the blast 'may have been a terrorist attack'.
4 weeks ago