for more, we are joined now via skype from jerusalem by jodi rudoren. she is the "new york times" bureau chief there. what is latest on the ground off phone sieve that is happening there over the past couple of days? >> latest thing that happened was this morning palestinian militants gain invaded isreal through a tunnel and they engaged with soldiers on the ground there that were on patrol and killed two israeli soldiers and one et of the militants was killed in a gunfight. this is second time in three days that have come in to israel that was that ground operation was begun. israeli military and political leaders have warned of this threat said that they are determined to destroy all the tunnel, is that are in gaza that lead continuous decreal to avoid future invasions. they talk about gaza got through they could kidnap israeli civilians from their location or go on -- >> sreenivasan: the ground offensive and air offensive created refugee situation that there is some 47,000 refugees heading to u.n. shelters in the area? >> it's gone up even more today