Acid attacks point to mounting religious tensions in Zanzibar The families of two British teenage girls who had acid hurled in their faces in Zanzibar expressed frustration on Friday that no one has been charged almost four months later. The popular tourist island, off the coast of Tanzania, is facing rising concerns over the the spectre of radical Islam after a spate of church burnings, riots, acid attacks and assassinations rock the island. A natural sound version of an AFPTV report.