A pack of masked and hooded gunmen broke into a beach bungalow near Acapulco, Mexico, and raped six women tourists after tying up a group of men with cell phone cables and bikini straps, officials said Tuesday. Another woman, also in the bungalow, was spared during the attack early Monday morning near the troubled beach resort city, known as a top spring break destination. The victims -- Spanish nationals in their 20s on vacation -- are now under the protection of Mexican authorities. Spanish officials have been notified. Acapulco Mayor Luis Walton condemned the attack during a Tuesday news conference and vowed to apprehend those responsible as world attention homed in on Pacific port city. "It's a very delicate situation," he said. "We are going to have the full weight of the law against those responsible." He called it regrettable, apologized for the gunmen's attack and said it would probably affect the image of Acapulco, which derives much of its revenue from tourism. State prosecutor Martha Elba Garzon said her office would not reveal the names of the victims or anything related to the probe, but she vowed to uphold the "responsibility to provide security to tourists and our people." Acapulco, in the mountainous state of Guerrero on Mexico's Pacific coast, was thought of as a relatively safe city despite rampant violence in the surrounding region. But a recent uptick in drug-related killings has compounded fiscal troubles brought on by the global financial crisis in ...