Israel strikes Gaza after Hamas fires incendiary balloons

Palestinian mourners chant anti-Israel slogans Thursday during the funeral of Ahmad Shamsa, 15, in the West Bank village of Beta, near Nablus. (AP Photo/Nasser Nasser)

JERUSALEM — Israel launched airstrikes on the Gaza Strip late Thursday for a second time since a shaky cease-fire ended last month’s 11-day war. The strikes came after activists mobilized by Gaza’s militant Hamas rulers launched incendiary balloons into Israel for a third straight day.