In solidarity with the people of....

In solidarity with the people of Lahore, Punjab, Pakistan, who also suffered a terrorist attack...

The Seal of (Pakistani) Punjab is (I'm guessing):
Argent, two barrulets gemelles wavy abased, in chief an Islamic crescent-and-star, in base (something) in Urdu script Vert.
Supporders: a wreath of six wheat ears

https://commons.wikimedia.org/wiki/File:Coat_of_arms_of_Punjab.svg#/media/File:Coat_of_arms_of_Punjab.svg

File:Coat of arms of Punjab.svg - Wikimedia Commons