A US Congressional delegation arrived in Taiwan on Sunday, officials said, days after China held military drills around the island in retaliation for the visit of US House Speaker Nancy Pelosi. Sunday’s unannounced trip came after Pelosi enraged Beijing by visiting Taiwan earlier this month, sparking unprecedented air and sea drills that raised the prospect of conflict. The five-member delegation, led by Massachusetts Senator Ed Markey, will meet with President Tsai Ing-wen and attend a banquet hosted by Secretary of State Joseph Wu during the visit, according to Taiwan’s foreign ministry. They will discuss “US-Taiwan relations, regional security, trade and…