two pieces of possibly debray have been found.nvestigators will try to determine if this did indeed come from the missing mh-370. investigators have also said that they expect the search operation which is ongoing to come to an end in july, sometime in july this year, and at that .3 countries, china, australia, and malaysia will make a decision whether or not to continue the search operation. >>> more to come for you this half hour. rescuers in venezuela hurry to find gold miners, allegedly killed by gang members. >>> and we're in mexico where a group of women have come up with a unique way to fight sexual harassment. ♪ >>> welcome back. let's update you on the top stories this hour. the u.n. is questioning the legality of an agreement that could see refugees and migrants in europe sent back to turkey they say they want to know more about the safeguards that will be in place to help people. >>> one charity says 70% of the children in a refugee camp in greece are ill. >>> and families of flight mh-370 have been holding vigils on th