The polling stations in the UK opened thursday for the country's closest general election in decades. Yemen has urged the U.N security council to send ground troops to help save the country from a worsening crisis. Chilean president Michele Bachelet is set to reshuffle her cabinet. Cuban president Raul Castro is scheduled to meet with his russian counterpart Vladimir Putin in Moscow this thursday. The bolivian case against Chile over access to the sea enters its fourth day at the international court of justice.