joohee cho, south korea. >> thank you. >>> we'll have much more on "gma." >>> but now, breaking news from ukraine. the interior minister says three pro-russian protesters were killed at a clash in a military base. 13 others were wounded when they were attacked at that base. secretary of state kerry meets in switzerland with his counterparts from russia, ukraine and the european union. and the u.s. is unlikely to provide the weapons ukraine has requested because as the president told cbs news, it doesn't want this confrontation to escalate. >> they're not interested in any kind of military confrontations. we don't need a war. >> however, president obama is warning russia if it continues to threaten ukraine and violate its sovereignty, there will be repercussions. >>> the man in custody for tuesday's security hoax near the boston marathon finish line has been ordered to undergo a psychiatric investigation. ron claiborne has more on the suspect and his mother's emotional message. >> reporter: at his hearing in a boston courtroom, kevin kayvon edson appeared grim. but said nothing. the 2

abc's joohee cho just filed this report from the scene. >> reporter: these images, taken by a surviving passenger, as the ferry started to tilt. he's 1 of the heroes who saved more than 20 youngsters. the students asking him for directions, yelling, mister, the girls are over there. should they go up this way? they made a lifeline with fire hoses and curtains to climb up. upside-down, they shout, water's rising. water's coming up. with that, they had to leave the sinking ferry with many left behind. these texts reported on korean media show the last words between a teacher and her students in a group chat. the teacher asking if everyone is okay. and says, don't move and keep still. get a lifevest if you can. students reply to each other. let's live and see each other soon. i love you all. everyone, i love you. parents on the third day are holding on to hope. prayers, agony, fear and outrage. the emotional rollercoaster ride that they're going through is unimaginable. many questions remain as to how this happened. the captain is now being investigated as a criminal for abandoning the shi