This is AP News Minute.More dead ends in the search for a missing Malaysian jetliner,officials say an oil slick and debris found in the ocean is not linked to the Boeing 777 as once hoped.The plane went missing Saturday with 239 people aboard.Police are ramping up security for this year's Boston marathon following last year's bombing.Officials announcing police will perform random searches and encouraged race spectators to carry belongings in clear plastic bags.Stomach-churning testimony in the sixth day of the Oscar Pistorius trial.The former Olympic athlete vomited during testimony describing gunshot wounds.Pistorius is accused murdering his girlfriend in his South African home.And in Alaska, a race to the finish in the Iditarod dog sled race.Two teams reached the second-to-last checkpoint on Monday,a four time champion and a competitor seeking to become only the 3rd woman to win the race.Robert Bumsted, the Associated Press with AP News Minute.
