How can this allowed to happen again and again, its time for some serious punishment, if ground staff can't stop flares getting into the ground they shouldn't be allowed to hold another football match, this has been happening for years and still nothing significant is done.
The italian hardcore football fans are completely mad. it reminds of an documentary called hooligans where they followed the kind of guys who would do such things
Here's a wether update there seems to be some local fog in Milan