Palestinians in the Gaza Strip were enraged on Saturday after Al Jazeera television aired footage of Egyptian soldiers shooting and killing a Palestinian man who had wandered into the Egypt side of the Rafah crossing through the beach.In the clip, the man is seen entering the water along the Sinai-Gaza divide. After he steps a few meters into the Egyptian side, he is hit by live fire.The victim has been identified as Ishak Khalil Hassan, 28, from the Gaza City neighborhood of Zeitoun.According to reports, Hassan was known to have suffered from mental and emotional disturbances.