WASHINGTON - Some incidents of violence in Haiti have hindered rescue workers trying to help earthquake victims, a top official leading the U.S. government's relief efforts said Sunday.
Providing humanitarian aid requires a safe and secure environment, said Lt. Gen. Ken Keen of the U.S. Southern Command. While streets have been largely calm, he said, violence has been increasing.
"We are going to have to address the situation of security," Keen said. "We've had incidents of violence that impede our ability to support the government of Haiti and answer the challenges that this country faces."
Keen said about 1,000 U.S. troops are in Haiti and that 3,000 more are working from ships. More than 12,000 U.S. forces are expected to be in the region by Monday.
Fear of looters and robbers has been one of the factors slowing the delivery of aid. After Tuesday's earthquake, maintaining law and order fell to the 9,000 U.N. peacekeepers and international police already in Haiti even though those forces also sustained heavy losses in the disaster.
Keen said U.S. forces are working with U.N. peacekeepers and that local police are beginning to assist in providing security.
On Sunday, the White House said President Barack Obama had issued an order allowing selected members of the military's reserves to be called up to support operations in Haiti.
Signed Saturday, the executive order permits the Defense Department and Homeland Security Department to tap reserve medical personnel and a Coast Guard unit that will help provide port security. The White House said the authority will be used on a limited basis. No numbers of personnel or names of units were provided.
Rescue efforts and getting food, water and medical supplies to earthquake victims were the focus of efforts Sunday, U.S. officials said. An estimated 100,000 or more people may have died in the magnitude-7.0 quake.
As of Sunday, the State Department said the total number of confirmed U.S. death was 16, including one embassy worker.
Rajiv Shah, who leads the U.S. Agency for International Development, said U.S. relief workers are also trying to rescue people from under the damaged and destroyed buildings.
"Our first priority was to go in with urban search and rescue teams," said Shah, who visited Haiti on Saturday with Secretary of State Hillary Rodham Clinton. "They work around the clock to try and save lives."
Rescuers, he said, still hoped to find more survivors buried in the rubble.
"On next priority, which started in parallel, was getting those commodities down there and making sure we have the food, water, shelter and basic needs met for the people of Haiti," Shah said.
International search and rescue teams are looking for earthquake survivors around the clock as officials running the rescue effort get closer to shifting to a recovery operation.
There have been 62 live rescues, Tim Callaghan of the U.S. Agency for International Development's foreign disaster assistance office said Sunday. American search and rescue teams had performed 29 of those rescues.
"We are still in rescue mode," Callaghan said in a conference call with reporters. He said the decision to move to recovery will be made by the Haitian government. "Obviously we're getting closer to that painful decision of moving from searching for people to recovery," Callaghan said.
Air Force Col. Buck Elton, commander of the U.S. forces directing flights at Haiti's airport, told reporters that 24 patients have been brought to the airfield for treatment. Of those, 16 were Americans with what Elton described as "crush injuries."
Elton said the ability to get flights in and out was improving steadily. He said the rush of supplies and aid from other countries initially overwhelmed the airport's limited capacity. Decisions also have to be made on which cargo is the highest priority and needs to come in right away.
Elton said about 60 percent of the flights coming in are civilian and 40 percent are military.
National Security Council aide Dennis McDonough said the U.S. Coast Guard cutter Oak arrived Sunday with heavy cranes and other machinery to get Haiti's main shipping port up and running. The port was heavily damaged by the earthquake and is central flow point for fuel.
Keen and Shah spoke on ABC's "This Week," NBC's "Meet the Press" and "Fox News Sunday - three of five Sunday shows on which they were appearing.
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