Nigeria, May 28 -- Armed attackers on Sunday and Wednesday invaded Sabon Birnin Local Government Area of Sokoto State and killed over 50 people as they celebrated Eid al-Fitr, residents said.

Residents said the attackers returned to the same communities on Wednesday hours after Governor Aminu Tambuwal visited the area following the initial attack.

The first attack on Sunday occurred hours after the police in Sokoto issued a statement assuring residents of adequate security as they celebrated Eid.

"The Commissioner of Police wishes to assure members of the public of the preparedness of the Force to provide adequate security for lives and property before, during and after the celebration," the police spokesperson, Muhammad Sadiq, said. ...