As relief efforts continue in Haiti, we're hearing more and more first-person accounts of what happened on the ground during and just after the quake, and how little help there was in the aftermath. In the face of little help from the authorities or other facilities in the area after the quake, many people in Port-au-Prince resolved to do it themselves.

Yesterday we talked about some technological innovations that can help in emergency situations. Doctors Without Borders is bringing its own innovations to Haiti right now: Like the inflatable field hospital that is expected to arrive in the country today. We hear how the organization is treating the survivors of the Haiti earthquake with Sophie Delauney, executive director of Doctors Without Borders in the United States.

The first U.S. Navy ship arrived in Haiti yesterday morning. A large aircraft carrier is set to arrive off the coast today, with 19 helicopters and relief supplies. We speak to Rear Adm. Victor Guillory, who is responsible for the U.S. naval operations in Haiti.

The first U.S. Navy ship arrived in Haiti yesterday morning. A large aircraft carrier is set to arrive off the coast today, with 14 helicopters and relief supplies. But right now, the situationon the ground is grim. We hear from Christina Boyle a reporter for The Daily News who landed in Port-au-Prince last night.

Four days after the Haiti earthquake, most people are still not seeing the relief they need. Ansel Hertz, a freelance journalist in Port-au-Prince, gives us a sense of the situation on the ground this morning. He tells us about the weakened infrastructure, the fears residents have about buildings collapsing and the tension on the streets.

Yesterday, The Haitian Red Cross released its first estimate of the death toll after Tuesday's earthquake. It said between 45,000 and 50,000 people might have died. As the body count rises, relief efforts are intensifying. President Obama promised $100 million and more than 5,000 soldiers and marines, but the aid workers are facing many obstacles reaching the victims.

We hear recent reactions from the ground in Haiti. New York Times Carribbean correspondent Marc Lacey arrives in Haiti and describes the destruction he can see from the sky while cargo planes land behind on the tarmac. We also hear from Dixie Bickel, who runs an orphanage outside Port-au-Prince. The orphanage still stands, and she tells us how the children are coping in the aftermath of the quake.

News outlets in Miami are playing a special role in covering the Haiti earthquake, both in Haiti and in South Florida, where a large Haitian community resides.

Hundreds of thousands of Haitians in the U.S. are still unable to reach their relatives. Phone lines in Haiti are still down and the Internet connection has been unreliable.

Yesterday on the Takeaway, we united by phone Mallery Thurlow, in Michigan, with her boyfriend France Neptune, an aid worker in Haiti. As details of the destruction continue to emerge, we look at ways Haitians are persevering through the tragedy.

With so much destroyed in Tuesday’s earthquake, much will need to be rebuilt. The head of Architecture for Humanity looks at the challenges ahead for Port-au-Prince.

Death, destruction and desperation are the only things we're seeing in the pictures and footage coming back from Haiti. More than 100,000 people are feared dead by officials from the 7.0 earthquake that shook the country on Tuesday. Now comes the hard part: bringing relief to a place with a ravaged infrastructure.

The international NGO community is gearing up for a massive relief effort after the Haitian earthquake.

A Hatian radio host has been offering updates of yesterday's earthquake via Twitter.

Haiti's ambassador to the U.S. details what his country needs after yesterday's earthquake.

In the aftermath of the earthquake's devastation, residents in Port-Au-Prince had to scramble to help their injured neighbors. Without the help of international aid, they had to make do with basic first aid tools, like alcohol and gauze.

The Red Cross says as many as three million people are affected by the earthquake in Haiti.

Here's a list of relief organizations, if you want to help.

An aid worker in Port-Au-Prince reunites with his girlfriend in Michigan on our air. They share some updates about family members, some of it a relief, some of it devastating.

Twitter proves invaluable in times of trouble. Aide workers and journalists caught in the chaos offered the first glimpses into the event with "tweets" that said more than news anchors could say in an hour of recaps. John Hockenberry reviews the updates.

On Tuesday night, New York Haitians gathered to exchange news, share information and watch TV together as they tried anxiously to get more news from home. Femi Oke spoke with Haitians in New York City.