At least 161 people have been killed and scores injured by a strong earthquake that struck the Indonesian island of Java, hospitals say.
The quake, measuring 6.2, flattened buildings in a densely-populated area near the city of Yogyakarta on the southern coast of the island of Java.
Witnesses said people fled as their homes collapsed around them, after the quake struck early in the morning.
Local radio said several hospitals were packed with people seeking treatment.
Electricity and communications across the city were also down, police said.
'Massive' tremor
The quake hit at 0554 local time (2253 GMT Friday), around 25km (15 miles) south of the city of Yogyakarta, the US Geological Survey (USGS) said.
People were running out in panic in their bedclothes
Brook Weisman-Ross, Yogyakarta
Yogyakarta, Indonesia's ancient royal capital and one of its biggest cities, is about 440km (275 miles) south-east of the capital, Jakarta.
"The earthquake was felt to be massive - larger than the locals here say they've felt in their lives," said Brook Weisman-Ross, regional disaster co-ordinator for Plan International children's charity in Java.
"I was shaken from my bed... As furniture was falling, concrete chunks started falling from my hotel room as people were running out in panic in their bedclothes," he told the BBC.
He said there was extensive damage across the city and that many of the smaller, older houses had collapsed.
A witness told the Associated Press news agency he had seen three bodies under the rubble of two houses.
The Sarjito hospital in Yogyakarta reported receiving 36 bodies, while another outside the city said it had 10.
Indonesia is in a zone known as the Pacific "ring of fire", which is prone to earthquakes and volcanic activity.
Near Yogyakarta is the volcano Mount Merapi, which threatened to erupt earlier this month, forcing thousands of people to be evacuated.
In December 2004, a huge earthquake off Indonesia's coast killed hundreds of thousands of people by triggering a tsunami.
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