here are some facts about the israeli blockade of gaza from the bbc
some further quotes regarding the effects of the blockade.
OVERVIEW: WHAT GETS IN
For much of the three years since Hamas took control of Gaza, its 1.5m people have relied on less than a quarter of the volume of imported supplies they received in December 2005.
In the wake of the Hamas takeover, Israel said it would allow only basic humanitarian supplies into the Strip. It has a list of dual-use items such as steel pipes and fertiliser which it says could be used to manufacture weapons.
These are not allowed in, with the exception of "special humanitarian cases". Other than that, no specific list of what is and is not allowed in has been published, and items gaining entry vary over time.
The UN relief agency for Palestinian refugees Unrwa's list of household items that have been refused entry at various times includes light bulbs, candles, matches, books, musical instruments, crayons, clothing, shoes, mattresses, sheets, blankets, pasta, tea, coffee, chocolate, nuts, shampoo and conditioner.
Many other items - ranging from cars to fridges to computers - are generally refused entry.
Building materials such as cement, concrete and wood were nearly always refused entry until early 2010, when some glass, wood, cement and aluminium were allowed in.
During the six month truce between Israel and Hamas, which began in June 2008, and in early 2010, the volume and range of goods increased with trucks of shoes and clothes entering Gaza.
Israel says Hamas has diverted aid in the past, and could appropriate building materials for its own use. Aid agencies say they have stringent monitoring systems in place.
For much of the three years since Hamas took control of Gaza, its 1.5m people have relied on less than a quarter of the volume of imported supplies they received in December 2005.
In the wake of the Hamas takeover, Israel said it would allow only basic humanitarian supplies into the Strip. It has a list of dual-use items such as steel pipes and fertiliser which it says could be used to manufacture weapons.
These are not allowed in, with the exception of "special humanitarian cases". Other than that, no specific list of what is and is not allowed in has been published, and items gaining entry vary over time.
The UN relief agency for Palestinian refugees Unrwa's list of household items that have been refused entry at various times includes light bulbs, candles, matches, books, musical instruments, crayons, clothing, shoes, mattresses, sheets, blankets, pasta, tea, coffee, chocolate, nuts, shampoo and conditioner.
Many other items - ranging from cars to fridges to computers - are generally refused entry.
Building materials such as cement, concrete and wood were nearly always refused entry until early 2010, when some glass, wood, cement and aluminium were allowed in.
During the six month truce between Israel and Hamas, which began in June 2008, and in early 2010, the volume and range of goods increased with trucks of shoes and clothes entering Gaza.
Israel says Hamas has diverted aid in the past, and could appropriate building materials for its own use. Aid agencies say they have stringent monitoring systems in place.
the UN's Food and Agriculture Organisation says 61% of Gazans are "food insecure".
According to the UN agency for Palestinian refugees, Unrwa, 80% of Gazan households rely on some kind of food aid.
Unrwa provides food aid for 750,000 people, half the population.
According to the UN agency for Palestinian refugees, Unrwa, 80% of Gazan households rely on some kind of food aid.
Unrwa provides food aid for 750,000 people, half the population.
with the Palestinian Bureau of Statistics estimating unemployment at 38.6% in early 2010, some Gazans cannot afford the basics, even if they are physically available.
The blockade has taken its toll on Gaza's water and sewage network. Lack of spare parts has made repairs difficult. Intermittent power supplies have made pumps reliant on generators, which in turn have lacked spare parts and fuel.
The WHO says Operation Cast Lead worsened an already bad situation. Before the operation, it says Gazans had only half the water they needed according to international standards, and 80% of water supplied did not meet WHO drinking standards.
The WHO says Operation Cast Lead worsened an already bad situation. Before the operation, it says Gazans had only half the water they needed according to international standards, and 80% of water supplied did not meet WHO drinking standards.
The UN says that when aid is discounted, 70% of Gazan families live on less than a dollar a day per person.
The UN says restrictions on cement have made the reconstruction of 12,000 Palestinian homes damaged or destroyed in Israeli military operations "impossible".
Before Operation Cast Lead, Gaza had only 133 hospital beds per 100,000 population, compared to 583 in Israel, and it lost some of that capacity in the fighting.
Six hospitals suffered damage, including one that had a new building completely destroyed, another lost two whole floors.
Six hospitals suffered damage, including one that had a new building completely destroyed, another lost two whole floors.
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