The massacre at a Pittsburgh synagogue has underscored the dilemma of law enforcement in assessing the risk of people making online rants at a time when social media has become so ubiquitous.

The president’s comments follow a mass shooting at a Pittsburgh synagogue that left 11 dead and a mail bomb scare targeting Democrats and CNN.

Synagogues around Metro Vancouver increased security Saturday, following a horrific massacre in Pittsburgh that is being deemed a hate crime.

"Our thoughts and prayers are with all the victims and the families," said the Pittsburgh Penguins' captain and star.