Nigeria, Nov. 20 -- The meeting was held amid rising international concerns about the alleged persecution of Christians in Nigeria.

Congressman Moore described the discussion as "frank, honest, and productive." The talks focused on Nigeria's security problems, counterterrorism efforts, and how to better protect vulnerable groups, especially Christian communities.

The Nigerian delegation including Ribadu, Attorney General Lateef Fagbemi, Inspector General of Police Kayode Egbetokun, and other top security and diplomatic officials explained the challenges the government faces in fighting extremist groups and outlined its current plans.

Moore stressed that the U.S. expects Nigeria to take "tangible steps" to stop attacks, displacement, an...