Yemeni arms factory blast toll rises amid protests
Initial reports said 78 had died, but more bodies have since been pulled out of the factory in the town of Jaar.
The explosion has caused great anger among locals, who accuse the authorities of planning it to try to win further support from the US, a BBC correspondent says.
Yemeni officials have blamed al-Qaeda for the blasts.
The explosions came after weeks of protests against President Ali Abdullah Saleh's rule.
They occurred while residents were searching for ammunition left behind by suspected Islamist militants, who had been involved in clashes with government forces in the area on Sunday.
The Yemeni government has been a key US ally in the region, conducting numerous joint anti-terror raids. Despite this, militancy has continued to flourish.
It is one of a range of security issues in the country, including a separatist movement in the south and an uprising of Shia Houthi rebels in the north.
Yemen is also chronically poor - unemployment runs at about 40%, and there are rising food prices and acute levels of malnutrition.
Mr Saleh has continued to reject opposition demands that he leave office immediately.
"I tell those who appear in the media asking others to leave, that it is up to them to go," he was quoted as as saying by the state news agency Saba on Tuesday; Kazinform cites BBC News.
Read more on this story at www.bbc.co.uk