AP Top News at 5:51 p.m. EDT

Iranian-backed Houthis kill 6 in attack on vessel, and other developments in the MideastAs search for thousands of missing pushes on, Colombia earthquake tests new presidentFormer US Marine held in Russia for more than 4 years on disputed charges has been releasedFACT FOCUS: Trump makes false claims as he signs order urging revisions around childhood vaccinesTrump used elaborate ruse to fly out of Turkey following summit because of Iran threat, report saysWhat to watch Tuesday: Primaries in Wisconsin and Minnesota showcase Democratic divideSevere weather knocks out power in Illinois, Indiana and Ohio as 'ring of fire' strikes Midwest3 states are set to hold executions on the same day, a first in the US since 2010Former Syrian President Assad sentenced to death in absentia for war crimesBri