One Palestinian was killed on Friday and another was wounded in the city of Khan Younis, south of Gaza, when unknown militants opened fire on them in a city street.Palestinian security forces said the militants, who had been in car, opened fire on 43-year-old Abdul-Rahman Al-Naqla and 32-year-old Ibrahim Hijazi, killing the first and wounding the second in the leg, before escaping the scene. Palestinian police rushed to the area, and investigations were ongoing. No Palestinian body claimed responsibility for the attack.