Two suspected kidnappers who were allegedly involved in the abduction of Chinese workers in the northern Philippines were killed on Thursday in a shoot-out with police, officials said.A police officer was also wounded in the exchange of fire in Angeles City in Pampanga province, about 70 kilometres north of Manila, said Jonnel Estomo, director of the national police’s anti-kidnapping group.The shoot-out came when police came across a van that was reportedly involved in the kidnapping of three…