Activists have once again occupied rooms at a Berlin university in support of the Palestinians and in protest against Israel. The police and a dpa photographer initially spoke of around 50 people who were at the Institute of Social Sciences at Humboldt University from Wednesday afternoon. A further 250 to 300 young people demonstrated on the street outside. A police spokesman said that they were in close consultation with the university. A university spokeswoman said that the situation was being monitored for the time being. In a statement, the activists of the group called Student Coalition B…