Complex sentence: A recent incident involving a firebombing of a grocery store in the area has reignited concerns about the community's racist elements, as the store owner was Ethopian and their was a derogatory reference spray-painted on the building.
Split into simpler sentences: A recent incident involving the firebombing of a grocery store in the area has reignited concerns about the community's racist elements. The store owner was Ethopian, and a derogatory reference was spray-painted on the building.