Haiti's President, Rene Preval, "is alive" after the massive quake, Haiti's ambassador to Mexico said.
"All I can confirm is that president and his wife are alive and well," Ambassador Robert Manuel said.
"The situation is very serious," he added at a press conference after meeting with Mexico's Deputy Foreign Minister Salvador Beltran.
The Haitian capital has largely been destroyed in the most powerful earthquake to hit the country in more than 200 years.
'Blood, bodies out in open'
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Journalists from The Associated Press describe severe and widespread casualties after a tour of streets where blood and bodies can be seen.
The damage is staggering even in a country accustomed to tragedy and disaster. AP reporters say the National Palace is a crumbled ruin and tens of thousands of people are homeless.
Many gravely injured people sit in the street, pleading for doctors many hours after the quake. In public squares thousands of people are singing hymns and holding hands.
The 7.0-magnitude quake struck at 4.53pm on Tuesday, leaving large numbers of people unaccounted for.
