What? Oh dear. Do you mean there are more falling glasses?! Helmets won't help much if glasses fall from above, it's too dangerous. I'd find a nice comfy spot to hide under or run for cover behind some strong table or desks... but looks like the damage is done since you said the aunties were already screaming. Somebody better call the police or town council ASAP to handle this dangerous situation! Better safe than sorry; if there's glass falling from the skies, nobody should be going about their regular business anymore. Hopefully everyone nearby the area escape unharmed after such a scary incident!