SNAPSHOT: Haiti Earthquake

U.S. military helicopters swooped down on Haiti's wrecked presidential palace to deploy troops and supplies on Tuesday as a huge international relief operation to earthquake survivors gained momentum.

NEWS

* U.S. troops in combat gear arrive by helicopter at the presidential palace and move to secure the capital's main hospital.

* U.N. Security Council unanimously agrees to boost the number of U.N. troops and police in Haiti by 3,500.

* U.N. officials say the security situation has not hampered distribution of food to 270,000 Haitians so far and hundreds of thousands more to benefit in coming days.

* Aid is slowest to reach rural Haitians at the quake's epicenter.

* Some 52 rescue teams race against time to find people still alive under collapsed buildings, after saving 90 people. Tens of thousands still believed buried.

* The World Health Organization says at least 13 hospitals are working in or around Port-au-Prince. Doctors warn of threats to survivors from infection and disease.

* Venezuela's Chavez accuses U.S. of "occupying" Haiti

QUOTES

"We do not know exactly what they have come to do but I think they are here to help us, so we tell them welcome." -- Alex Michel, 40, watching U.S. military helicopters arrive at the presidential palace.

"As people look toward reconstruction we need better aid coordination, fewer feel-good projects and less flag-planting, but also strong oversight and accountability so people feel their money is well spent." -- World Bank President Zoellick

"We are not passed the emergency phase yet, but we are starting to look at the long term ... There is a risk of cholera and tetanus, and a huge need for mobile medical units." -- aid worker Margaret Aguirre of the International Medical Corps.

"We cannot accept that planes carrying lifesaving medical supplies and equipment continue to be turned away while our patients die." -- Rosa Cretani of Doctors Without Borders, complaining that fifth planeload of its emergency supplies was denied permission to land at U.S.-run airport in Haiti's capital.

"We know the world wants to help us, but it has been eight days now and I have not seen any food or water for my family." -- quake survivor Gille Frantz.