In addition, the Turkish police have also deployed specially designed, portable, steel walls for the first time. The barriers are equipped with cameras and spray tear gas automatically when they are pushed against.Elsewhere, in the Turkish capital of Ankara, police dispersed dozens of protesters with tear gas and water cannon.Istanbul Governor’s Office warned that Taksim Square would be off limits to the public on Wednesday, citing intelligence reports that “illegal terrorist groups” had plans to attack security forces. Local media also reported that almost 40,000 police had been deployed throughout the city to prevent May Day Protests.
via Turkish police clash with May Day protesters in Istanbul — RT News.