Transcript for Suspect in custody in acid attack on American college students in France

but we have a tough story coming out Europe. That terrifying acid is tack on four American college students studying in France and the suspect is in custody and James Longman has the story. Good morning, James. Reporter: Good morning, George. This is a real shock for these four young women touring Europe as part of their studies. Some acid went in the eyes of two of the students. This could have been a lot worse. This morning, four American students from Boston college recovering from a terrifying acid attack outside a train station in France. Two of the girls who were studying abroad posting to Facebook overnight. Krug Krug say Michelle Krug said she threw a weak solution of hydrochloric acid at us from a water bottle which got in one of my eyes and one of my friend's eyes. We were all treated at a local hospital and are anticipating a quick recovery. Courtney Siverling posting I did not receive any injuries from the attack in Marseilles this morning and we're all safe. The students had been touring the port city of Marseilles in southern France when the woman struck. Today the college juniors return to Paris where school officials tell ABC news they plan to complete their semesters abroad before returning to the U.S. One of the students will have to see an eye doctor tomorrow but they're doing well, spirits are good and we're fortunate. Reporter: The acid survivors trust international estimates there are roughly 1500 reports of acid attacks around the world every year. Authorities in Marseilles saying the woman has a history of psychological problems and have ruled out any link to terrorism. It has been a rise in acid attacks in Europe especially here in London. Last year 450 crimes at least where acid was used as a weapon. It's used in cleaning liquids which means it's relatively easy to get ahold of. A dangerous trend. We turn to new developments in the death of an lsu freshman.

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