Kidnappers of Yushau Oseni, Lagos monarch, have demanded N500 million before he is set free.
Suspected militants kidnapped Oseni on Saturday, shooting one of his wives and killing one of his guards.
Dolapo Badmos, police public relations officer (PPRO) in Lagos, said the police would not relent its its efforts to secure the release of the monarch and nip the activities of militants.
She lamented militants, displaced from pipeline vandalism, have taken to kidnapping.
Badmos said many suspects had been arrested, saying the Lagos command of the police was collaborating with its Ogun counterpart to check the activities of militants.
The raid on south-western communities by militants have increased, causing several residents of Ikorodu to flee.