Rights groups voice concerns after a rare protest in Gambia

By Pap Saine BANJUL (Reuters) - Human rights groups voiced concern on Friday over arrests in Gambia after a rare public demonstration in the West African nation, where President Yahya Jammeh has come under regular criticism for his increasingly authoritarian rule. Jammeh, a former soldier who seized power in a bloodless coup in 1994, has made headlines for eccentric proclamations, including a claim to have invented a cure for HIV/AIDS and his recent surprise decision to make Gambia an Islamic re