Four dead in second deadly shooting in Quintana Roo this week

Gunmen attacked the state prosecutors' office in the resort city of Cancun Tuesday, and authorities said four people were killed, ratcheting up tensions just a day after a shooting at a music festival in a nearby town left three foreigners and two Mexicans dead.

It was too early to say if the attacks were linked, but they were a marked intrusion of bloodshed into Mexico's main tourism zone, a region that had previously been spared much of the violence plaguing other parts of the country.

The governor of Quintana Roo state, Carlos Joaquin, said three attackers and one police . . .