Why does Europe tolerate blatant terror-worship on its streets?

On Saturday, masked people in Brussels shouted in Arabic, celebrating the murderous terrorists of the Palestinian Lion’s Den group.

According to Mideast conflict expert Joe Truzman, who posted the videos, the demonstrators also praised Hamas and its chief terrorists Muhammed Deif.

A Palestinian murdered an Israeli in cold blood on Saturday evening. Why do Europeans tolerate terror-worship on their streets?