an adviser to prime minister benjamin netanyahu told the bbc that israel was making the maximum effort to avoid killing civilians. israel has been dropping leaflets with maps, showing gazans the areas it plans to strike. our diplomatic correspondent paul adams explains why that often isn t protecting civilians. this has been a problem throughout the past two months. israel believes and says it is giving as much notice as it possibly can to the civilian population to leave certain areas where the fighting is most concentrated. they believe these new maps, with this detailed grid, numbered grid, should help that process because they are saying to people in certain numbered areas, these are the areas you have to leave. the trouble is people don t know where they should leave to. israel is also hitting targets outside of those demarcated areas. anything that the israelis regard as a high value target where hamas might have some of its infrastructure or where acre hamas commande