There were signs saying, "Israel has a right to go to hell," "Israel is a terrorist state," "Bombing children is not 'self-defense,'" "The US and Israel are partners in genocide."
The group posted pictures and videos to their Instagram in which they can be seen taking over the office of Professor Steven Prawer, and staging a sit-in.
The rejection allays concerns expressed by some pro-Israel groups that the divestment movement was gaining momentum.
Todd Richman faced a violent confrontation with pro-Palestinian protesters while displaying an Israeli flag, resulting in a nosebleed and police intervention.
A lawsuit was filed against two Israeli women arrested in Cyprus for disrupting a pro-Palestinian demonstration, facing charges of public disturbance.
The groups advertised the protest via flyers, some of which featured slogans such as "Glory to the martyrs, victory to the resistance."
Many criticized the discount, accusing the restaurant of insensitivity and implying that the offer could be seen as supporting terrorism.