At least eight people were killed and 18 others injured in an explosion targeting a mosque in the Syrian city of Homs on Friday, the country’s health ministry said.

Eight people were killed in an explosion at a mosque of the Alawite minority sect in the Syrian city of Homs on Friday, Syrian state news agency SANA said.

The Supreme Alawite Islamic Council, a body that says it represents Alawites in Syria and abroad, condemned what it called a systematic campaign of killings, forced displacement, detentions and incite...