whistling

“People are sort of whistling past the graveyard of some real risks out there for the economy,” said Dean Smith, chief strategist at FolioBeyond.

"They started circling and whistling, imitating animals, many different types of birds," Tomas recalls.

The whistling serves a dual purpose: It signals to migrants and others concerned that they could get swept up in one of the raids to avoid the area.

Police numbers were also ramped up, with hundreds of protestors waving flags along the route and whistling riders from Israel-Premier Tech.

Some 29% of parents surveyed said their child has had wheezing or breath whistling in the past, most in the last 12 months.