The United States will resume within hours emergency evacuation flights for critically injured Haitian quake victims, the White House has said.

白宫发言人称，美国将会为受重伤的海地地震受害者重新恢复数小时内空中紧急救援计划。

Hundreds of quake victims have been flown to the US for treatment

The airlifts stopped last Wednesday because of what Washington described as "logistical后勤方面的 issues".

Doctors warned scores of people would die if the flights did not resume soon.

Meanwhile, some of the Haitian children identified as orphans¹ by a group of Americans who were taking them abroad may have parents, it has emerged.

Haiti imposed new controls on the movement of children following the 12 January earthquake that killed up to 200,000 people.

Officials fear that orphans are now particularly vulnerable to易受……的攻击 being abducted诱拐，绑架 and sold for adoption收养，采用.

Also on Sunday, the UN's World Food Programme (WFP) began a large-scale aid distribution at 16 sites across Haiti's capital, aiming to feed two million people.

Only women will be allowed to collect the 25kg (55lb) rice ration³定量，口粮, enough to feed a family for two weeks.

'On track'

White House spokesman Tommy Vietor said in a statement on Sunday evening: "Having received assurances that additional capacity exists both here and among our international partners, we determined⁴ that we can resume these critical flights."

"The flights are on track走上正规 to resume in the next 12 hours. Patients are being identified for transfer, doctors are making sure that it is safe for them to fly, and we are preparing specific in-flight paediatric儿科的 care aboard the aircraft where needed."

Mr Vietor said the US government had worked with international partners, NGO's and US states to increase capacity to treat the Haitian patients.

Hundreds of patients with spinal⁵脊柱的 injuries, burns and other wounds have been flown on US military planes to America since the quake. Most of them have been treated in Florida.

But the US halted停止 the so-called mercy flights on Wednesday.

A White House spokesman told the BBC the move was due to "logistical issues", not over medical costs as had been reported earlier.

Last week, Florida Governor Charlie Crist warned President Barack Obama's administration that the state's "healthcare system is quickly reaching saturation⁶饱和, especially in the area of high-level trauma外伤，创伤 care".

Mr Crist also asked the federal government to activate⁸ the National Disaster Medical System, which usually pays for victims' care in domestic disasters.