The hostages were released a day after Egyptian authorities intervened, China's state-run Xinhua news agency said.
Xinhua news agency said some were now in the US, the Netherlands and Poland.
The earthquake affected more than 1.5 million people throughout the region, the official Xinhua news agency said.
Xinhua news agency said the men were all allegedly filmed by a "criminal ring" which then blackmailed them.
The incident happened on 8 April and as of 10 April 17 people remained in hospital, Xinhua news agency said.
The third student watching the race with Ms. Zhou and Ms. Lu was unharmed, the official Xinhua news agency said.
Rescue work was continuing at the site of the mid-morning explosion in Shandong province's Caofan township, the Xinhua News Agency said.
The official Xinhua News Agency said the well-known Bifengxia panda preserve, which is near Lushan, was not affected by the quake.
The state-run Xinhua news agency said many who were waiting in line were scalpers, though those reports couldn't be immediately confirmed.
The plant in northeast China's Jilin province was still burning as of noon local time, the official Xinhua news agency said, citing local sources.
The official Xinhua News Agency said that the quake rattled buildings in the provincial capital of Chengdu 115 kilometers (70 miles), to the east.
The Xinhua news agency said there had been a sharp rise in people seeking treatment at the hospitals in the capital for respiratory problems.
FORBES: As Coal Imports Rise, Getting Harder To Breathe In China Cities
The official Xinhua news agency said a 16-year-old boy, who had fallen ill on January 8, died in the city of Huaihua in central Hunan province.
The state's Xinhua News Agency said nearly 19, 000 people were still buried in debris in and around Mianyang, a city about 60 miles east of the epicenter.
The four-engine Yun-20, or Transport-20, is a huge, multi-function airfreighter that can perform various long distance air transport tasks targeting cargo and passengers, the state-run Xinhua News Agency said.
Several dozen people also were hurt in the blaze in Jilin province's Mishazi township, which appeared to have been sparked by three early morning explosions, the official Xinhua News Agency said.
In a commentary published Friday, the state-run Xinhua News Agency said local authorities have to calibrate their grip on the property market by balancing support for first-home purchases and curbing speculation.
Xinhua news agency said that as of 10:00 local time (02:00 GMT) no survivors had been found and later reported that the first body had been discovered at 17:35 local time.
Resource shares supported the Sydney market, and the Australian dollar jumped briefly, after China's Xinhua news agency said the People's Bank of China would boost liquidity via its reserve requirement ratio.
Health authorities have determined that a 38-year-old chef who died in Zhejiang province on March 27 was infected with H7N9 while working in nearby Jiangsu province, where four other H7N9 cases have occurred, the official Xinhua news agency said, citing a statement from the Zhejiang provincial health department.
The first ship was delivered to the Chinese navy in Shanghai on Monday, state-run news agency Xinhua said.
Local villagers said that there had been an "extremely strong odour" on Monday morning, state-run news agency Xinhua said.
Nineteen people who had close contact with the two new victims in Henan had shown no signs of infection, China's state news agency Xinhua said.
China's state-run news agency Xinhua said authorities had already culled tens of thousands of birds at two Shanghai poultry markets, where traces of the virus had been found earlier in the week.
China's state-run news agency Xinhua said the country's State Council decided to repeal the ban after realizing it did little to prevent the spread of disease and caused problems when the country was hosting international events.
China was one of the states most vehemently opposed to Europe's unilateral imposition of this "carbon tax" and today the Chinese official news agency Xinhua said the government had banned the country's airlines both from buying permits and from adding supplements to their ticket prices to cover their cost.
China's state news agency, Xinhua, said the changes had been in place since 7 January this year.
The official news agency, Xinhua, said these symbolised good wishes from China's 56 officially recognised ethnic groups.
ECONOMIST: The dangers of confusing patriotism with ethnic pride
The Xinhua News Agency reported that Mr Cook said Apple enforced a strict code of conduct on its suppliers.
In his statement, which was repeated by the state-run Xinhua news agency, Mr. Wang said Mr. Buffett would sing a song and play guitar in the online version of this year's Spring Festival gala.
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