Its reporters saw buried teenagers struggling to break loose from underneath the rubble of the three-story building in Juyuan “while others were crying out for help.” Two girls were quoted by Xinhua as saying they escaped because they had “run faster than others.”

Photos showed heavy cranes trying to remove rubble from the ruined school. Other photos posted on the Internet and found on the Chinese search engine Baidu showed arms and a torso sticking out of the rubble of the school as dozens of people worked to free them, using their hands to move concrete slabs.

Calls into the city did not go through as panicked residents quickly overloaded the telephone system and the quake also affected power networks.

Although it was difficult to telephone Chengdu, an Israeli student, Ronen Medzini, sent a text message to the Associated Press saying there were power and water outages there.

“Traffic jams, no running water, power outs, everyone sitting in the streets, patients evacuated from hospitals sitting outside and waiting,” he said.

The road to Wenchuan from Chendu was cut off by landslides, state media said, slowing the rescue efforts.

Though news trickled out in the first hours after the quake, the government and its media quickly mobilised, with nearly 8,000 soldiers and police sent to the area. China Central Television ran non-stop coverage, with phone reports from reporters and a few isolated camera shots from the scene.

Disasters always pose a test to the communist government, whose mandate in part rests on providing relief to those in need. In recent years, the government has improved emergency planning and rapid response training for the military.

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