you recall, there was originally meant to be a solidarity march taking place in the center of bruce brulingsz prowls brussels on sunday. we are at a heightened level of security in belgium. they would cover had a huge area of people could be another attack. nevertheless, the police would still here in substantial numbers. there have been roadblocks set up with access roads to the square. this group of people, they were largely ball holligans, some of the ball teams, right-wing elements very certainly lots were dressed in black and they had their faces obscured. it appeared they were looking for some kind of a confrontation, be it with the police or with it being the people in the square expressing feelings of tolerance and co-existentions. it didn't last long but people were able to push them out of the square. rows of riot police with their shields and ultimately, they were fired on by water canon and it all cleared up very quickly. >> what about the investigation, itself, jackie? >> reporter: we have heard information about more raid did, more searchs that the police have been carrying out