GARDAI are appealing for witnesses who may have filmed a vicious baseball bat attack on a man on a street in Swords, north Dublin, to come forward.
Businessman Taiwo Jamani (45), originally from Nigeria, was still in a serious condition last night in hospital following the brutal assault on Thursday.
A 37-year-old Nigerian man was arrested at the scene and questioned by gardai at Coolock station.
Gardai say that they believe that a number of people may have filmed the incident on their mobile phones and are appealing to the public to come forward with any footage they have.
Superintendent Ronan Galligan said: "I believe there were approximately 30 or 40 people around at the time with mobile phones on them.
"It is an absolutely vital part of our investigation," Supt Galligan added.