<p>Dozens of people were missing in northwest Nigeria on Wednesday after an overloaded boat ferrying around 160 passengers sank in the Niger River, a local official said.</p>.<p>The boat left central Niger state and was heading to northwest Kebbi state when it split and sank, Abdullahi Buhari Wara, administrative head of Ngaski district said.</p>.<p>"A rescue operation is underway but only 22 survivors and one dead body have been recovered," Wara said. "We are talking of around 140 passengers still missing."</p>.<p>Boat capsizals are common on Nigerian waterways mostly due to overcrowding and lack of maintenance, particularly in the annual rainy season.</p>.<p>Wara blamed the Kebbi accident on overloading as the boat was meant to ferry not more than 80 passengers.</p>.<p>The vessel was also loaded with bags of sand from a gold mine, the official said.</p>.<p>Early this month 30 people drowned when an overloaded boat capsized in central Niger state.</p>.<p>The boat ferrying 100 local traders split into two after hitting a stump during a storm as they were returning from a local market, according to emergency officials.</p>
<p>Dozens of people were missing in northwest Nigeria on Wednesday after an overloaded boat ferrying around 160 passengers sank in the Niger River, a local official said.</p>.<p>The boat left central Niger state and was heading to northwest Kebbi state when it split and sank, Abdullahi Buhari Wara, administrative head of Ngaski district said.</p>.<p>"A rescue operation is underway but only 22 survivors and one dead body have been recovered," Wara said. "We are talking of around 140 passengers still missing."</p>.<p>Boat capsizals are common on Nigerian waterways mostly due to overcrowding and lack of maintenance, particularly in the annual rainy season.</p>.<p>Wara blamed the Kebbi accident on overloading as the boat was meant to ferry not more than 80 passengers.</p>.<p>The vessel was also loaded with bags of sand from a gold mine, the official said.</p>.<p>Early this month 30 people drowned when an overloaded boat capsized in central Niger state.</p>.<p>The boat ferrying 100 local traders split into two after hitting a stump during a storm as they were returning from a local market, according to emergency officials.</p>