The Royal Oman Police confirmed the details on Tuesday, stating that the shooting took place in the Al-Wadi Al-Kabir area.
Initial reports from local authorities indicated that four individuals had been killed and "several others" were injured during the attack at the mosque in eastern Muscat.
Police officials have launched an investigation and are currently gathering evidence to determine the circumstances surrounding the incident.
The community and authorities are deeply shaken by this unfortunate event, with efforts underway to provide support to the affected individuals and families. (ILKHA)