Security services have been reinforced in cities near Arab populations and put on special alert. Police Commissioner Shlomo Aharonishki called upon citizens to celebrate Purim this coming Friday as usual, but to be extra alert. He said, \"Even with our maximum effort we cannot promise total security. With great sadness, I have to admit that we cannot say that there will be no more terror attacks.\" Palestinian fired on Psagot last night and this morning. No one was hurt, and IDF soldiers returned fire.