The Managing Director of Hydroelectric Power Producing Areas Development Commission (HYPPADEC), Alhaji Abubakar Yelwa has said that the dredging of River Niger, River Benue, and River Kaduna to check perennial flooding in affected areas will cost over $20 billion. He stated this on Thursday at the 2023 stakeholders meeting on flood mitigation and other related issues held in Ilorin, the …