reporter: hundreds of palestinians seek refuge in gaza city with israeli forces targeting the neighboring town of shujia. another 60 are dead, 300 wounded according to the gaza health ministry. the target, according to israel, hamas infrastructure. in addition to the rockets, they ve got now terror tunnels that they build in palestinian homes in gaza, they penetrate underground into israeli territory. we re taking action to neutralize the tunnels. this video shows similar tunnels shot by a palestinian american film maker who says they leave from egypt into gaza. this was filmed last summer when she was documented life in gaza she lives in new york city but has family in gaza. her uncle has lived in gaza for 54 years they connect through