Graphic photos: Violence, looting, mar celebration in Bayelsa State

Markets, shops, banks and other commercial activities were shut on Tuesday as Bayelsans came together in Yenagoa and Kaima to celebrate this year's Isaac Boro Day.  Governor Seriake Dickson led the celebration with the laying of wreath at the Ijaw Heroes Park, where the remains of late Major Isaac Jasper Adaka Boro, the symbol of Niger Delta struggle for self determination in the 1960s