Residents take cover in a concrete pipe used as a bomb shelter, as a siren warning of incoming rockets is sounded in the southern community of Nitzan, near Ashdod July 8, 2014. Israel bombarded dozens of targets in the Gaza Strip on Tuesday, stepping up what it said might become a long-term offensive against Islamist Hamas after a surge in Palestinian rocket attacks on Israeli towns. (Photo by Finbarr O'Reilly/Reuters)
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