A、More than 15 years. B、More than 50 years. C、55 years. D、More than 55 years. B新闻中提到哥伦比亚政府和哥伦比亚革命武装部队(FARC)请求联合国监督双方达成的意在结束50多年冲

(1) Gunmen have stormed a university in northwest Pakistan where a gun battle is still underway between police security guards and the attackers. Armed vehicles had been deployed, to surround the Bacha Khan University campus in Charsadda District, 50 km from the city of Peshawar, which houses 3,000 students. Some medias are reporting that a chemistry professor has been killed and 50 people injured. Staff and students have been evacuated from the campus. The Colombian government and the country’s largest rebel group the FARC are asking the United Nations to oversee the implementation of any ceasefire. (2) The two parties agree to end more than 50 years of conflict. The two sides are still negotiating a deal. During talks in Havana, Ivan Marquez the FARC’s Chief Negotiator called it a final step towards a lasting peace agreement.
1. Where did this gun battle happen?
2. How many years did the conflict between FARC and the Colombian government exist?