Protests Escalate in Mexico Over Students' Deaths

Protesters set fire Tuesday to the governing PRI party headquarters in the state of south-western Guerrero in anger over the way authorities have handled the investigation of 43 students, missing since September and now presumed murdered by a drug gang. Officials say gang members confessed to burning the bodies, but that too little DNA remains for proper identification.

• More: Confirmation Of Mexican Students’ Deaths Touches Off Protests