Four police officers were injured during a pro-Palestinian demonstration in Berlin at the weekend, a police spokeswoman said on Sunday. A total of 49 police officers were also deprived of their liberty during the demonstration on Saturday, she added, noting that 39 criminal proceedings against demonstrators were initiated. At the rally in the districts of Neukölln and Kreuzberg, which was attended by around 1,500 people at its peak, participants repeatedly chanted pro-Palestinian slogans. Police said what they described as an anti-Semitic statement was also shouted loudly over a loudspeaker va…