Four people and upto five anonymous others have been sued over the murder of the Kashimpur prison guard who was shot dead in broad daylight near country’s largest high-security jail.

Three assailants on a motorcycle have gunned down a prison guard of Kashimpur jail in Gazipur in broad daylight and fled away, police say.

The longest-serving prisoner to be held in solitary confinement in US history, Albert Woodfox, has walked free in Louisiana after 43 years.