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Tropical storm causes floods, knocks out power in northern Philippine towns

  • Filipinos hold on while strong winds blow an umbrella upside down as Tropical Storm Linfa enhanced the southwest monsoon in Manila, Philippines on Sunday, July 5, 2015. Tropical Storm Linfa blew across northern Philippines, causing floods and knocking out power in several towns in provinces. (AP Photo/Aaron Favila)

    Filipinos hold on while strong winds blow an umbrella upside down as Tropical Storm Linfa enhanced the southwest monsoon in Manila, Philippines on Sunday, July 5, 2015. Tropical Storm Linfa blew across northern Philippines, causing floods and knocking out power in several towns in provinces. (AP Photo/Aaron Favila)  (The Associated Press)

  • Filipino Efren Villamor, 62, wears plastic sheets to shield him from rain as Tropical Storm Linfa enhanced the southwest monsoon in Manila, Philippines on Sunday, July 5, 2015. Tropical Storm Linfa blew across northern Philippines, causing floods and knocking out power in several towns in provinces. (AP Photo/Aaron Favila)

    Filipino Efren Villamor, 62, wears plastic sheets to shield him from rain as Tropical Storm Linfa enhanced the southwest monsoon in Manila, Philippines on Sunday, July 5, 2015. Tropical Storm Linfa blew across northern Philippines, causing floods and knocking out power in several towns in provinces. (AP Photo/Aaron Favila)  (The Associated Press)

A tropical storm blowing across the Philippines' mountainous north has caused floods and knocked out power in several towns.

Officials said there were no immediate reports of casualties Sunday from Tropical Storm Linfa. They said government rescue teams were deployed to evacuate villagers in some of the 11 towns flooded in La Union province, where wide areas also lost power.

The storm had sustained winds of 85 kilometers (53 miles) per hour and gusts of 100 kph (62 mph). It's expected to start blowing away from the country on Monday.

Meanwhile, police said a private helicopter plunged into a mountainous area in Batangas province south of Manila in bad weather from the storm, killing at least two people. An investigation was underway to determine the cause of the crash.