(WPXI) – Protesters gathered outside the University of Pittsburgh’s Cathedral of Learning just before 6 p.m. on Sunday. Some tents were set up on the lawn outside of the Cathedral. At 7:21 p.m. Pitt Police said the Cathedral of Learning and William Pitt Union would be closed until further notice. They also believe traffic will be impacted near Forbes Avenue and Bigelow Blvd. Protesters say they stand with the people of Palestine. One person was detained at the protest. Donald Johnson, who, Pitt police say was preventing officers from doing their duties by using his body as a barrier as protesters were running cases of water toward the encampment. Police said they do not have a permit for food or water. Protesters are calling for the University of Pittsburgh to sever any ties with Israel or companies promoting the Israel-Hamas War.