Migrant caravan: Women announce hunger strike Members of the Central American migrant caravan have played all their cards in recent days after more than a month's trek across Central America and Mexico -- but with little success. A group of female migrants stuck in limbo in Tijuana hold a press conference to announce that 20 of them will go on a hunger strike to put pressure on both the US and Mexican authorities for visa and asylum assistance. IMAGES AND SOUNDBITES