Nigeria, Feb. 19 -- Two former Nigerian presidents, Olusegun Obasanjo and Goodluck Jonathan,as well as some state governors in the country, have mourned a prominent Ijaw leader, Edwin Clark.

Mr Clark, a former federal commissioner for information, died on Monday night in Abuja. He was 97.

Mr Obasanjo, in a statement by his Special Assistant on Media, Kehinde Akinyemi, said he received Mr Clark's death with shock.

The former president described the Ijaw leader as "a seasoned economist, a tested administrator, an accomplished politician and a revered community leader."

"Even at his prime age, Chief Clark never rested on his oars to contribute to national development as a committed nationalist," he said.

Like Mr Obasanjo, Mr Jonathan de...