The United States has expressed concern over the recent clash between Nigerian police officers and Shiite Muslims in Kano State on November 14.

The clash, which occurred during a march by the group, left many Shiites dead and several others missing.

The US made its comments via a statement. It reads:

“This is the latest in a series of violent incidents between security forces and members of the Shia Islamic Movement of Nigeria (IMN), some of which have resulted in deaths, destruction of property, and the arbitrary detention of IMN members.”

“The United States calls for calm and restraint on all sides, a reduction of tensions, and greater communication between Shia citizens and government authorities.

“We continue to urge the government to ensure accountability for the deaths of more than 300 IMN members during December 15, 2015 clashes between the IMN and security forces in Zaria, Kaduna State.

“We also call on the Nigerian government to conduct a transparent investigation of the latest incidents and bring to account anyone responsible for violating the law.”

Meanwhile, the Inspector General of Police, Idris Ibrahim explained, after the attack, that his men were forced to retaliate after the Shiites killed a police officer.

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Ibrahim also said that police officers were obligated to stop the Shiite procession because members of the group were armed to the teeth.