Summary:
- Several gunmen attacked a Shiite mosque in Oman, killing at least six and wounding nearly 30.
- Islamic State claimed responsibility for the attack, marking the first time they have done so in Oman.
- The attack is seen as a bold move by ISIS in a country known for its peaceful nature and well-trained security forces.
- The shooting on the eve of the Shiite mourning festival of Ashura has sparked condemnation and offers of help from neighboring countries.