Donald Trump has a track record of making enemies, but his most recent proposal to ban all Muslims from entering the United States has prompted hacktivist group Anonymous to declare war on him, launching #OpTrump and releasing videos warning Donald to “expect” them.

In the first of the two videos released, a figure in the Guy Fawkes mask that is associated with Anonymous lays out the reasoning behind the group’s decision to target the presidential candidate who is currently leading the field in the Republican race.

“Donald Trump, it has come to our attention that you want to ban all Muslims [from entering] the United States. This policy is going to have a huge impact.”