Mexico says 19 suspects died in three nearly simultaneous confrontations just across the border from Texas.
Instead of finding the 43, authorities are asking “Who are the 28?”
Attorney General Jesus Murillo Karam declined late Tuesday to speculate on any link between the speech and the violence.
The newly created preventative unit of the federal police was tasked with keeping order in Iguala.
The chief prosecutor of violence-plagued Guerrero state said it would take at least 15 days to identify the 28 bodies in the grave.
About 100 soldiers, marines and federal and state police cordoned off the area and kept journalists away from the burial pits.
Mexico City and six of Mexico’s 32 states have now banned circus animals.
China, which tested more than 16,000 samples, recorded just 46 (0.30%) cases with adverse findings.
The human remains “appear to have been recently exhumed,” the office said in a statement.
“If you thought the vuvuzelas were bad, wait until you here the caxirola,” said the Guardian.
The quake had a depth of 15 miles (23 kilometers).
The earthquake was centered northwest of the Pacific resort of Acapulco, where many Mexicans are vacationing for the Easter holiday.
Malik operated an international supermarket for illegal drugs, said US Attorney Benjamin Wagner.
Shanghai as record levels of air pollution shrouded the city in smog,prompting authorities to issue the highest level of health warning
There is one more shot,in Peru next year,at a successor agreement to Kyoto before the 2015 Paris conference.