Transcript for Security high in Brussels after train station attack

Overseas, Europe on high alert after a third terror attack in just three days. The latest at a major train station in Brussels. Fortunately no one injured when that explosion went off and police took down the suspect. That attack following those in London and Paris. ABC's James Longman has all the details. Reporter: The smoking aftermath of a suicide attack in Brussels 8:39 P.M. Local a man enters the train stationcarrying explosives. According to the prosecutor he approaches a group of passengers and detonates the suitcase failing to injure anyone he runs to a lower level chasing a station worker. I felt the blast of warm air and saw a fire burning and what looked like broken glass across the floor. Reporter: A soldier opened fire killing the man. The fear that he was on his way to a busier area to cause maximum damage. He's been identified as a 36-year-old of Moroccan origin. I felt remarkably calm. It's really afterwards when I was thinking about it that I got frightened. Reporter: Today raids where he's from in molenbeek, the district known for radical Islam and where other terrorists have lived. And as you can see the station now has re-opened. But you can still see the scorched afterburn of that explosion. This could have been a very, very serious attack. David. All right, James Longman with us from Brussels this morning, James, thanks.

This transcript has been automatically generated and may not be 100% accurate.