Police have confirmed a horrific train gang attack is not linked to the murder of Justin McLaughlin.
A 13-year-old was attacked on board a service in Glasgow the day before tragic Justin was killed.
The assault happened on Friday, 15 October and a video of the attack circulated on social media.
The youngster was left hospitalised by the attack as police launched an attempted murder investigation.
Justin, 14, was was found seriously injured at High Street train station before dying on Saturday, October 16th, - just one day after the train attack.
Police have now confirmed that the two incidents are not connected.
A 16 year-old male youth has been arrested and charged in connection with Justin's death.
Three other teenagers aged 13, 15 and 16 years have been arrested and charged in connection with the attempted murder of the 13-year-old on a train near to Bellgrove railway station.
A spokesperson for Police Scotland said: "We are aware of social media posts linking the murder of Justin McLaughlin with a serious assault on a 13-year-old that took place on a train in Glasgow on Friday, 15 October.
"At this time, there is nothing to suggest that these two incidents are linked in any way.
"A 16 year-old male youth has been arrested and charged in connection with the death on Saturday, 16 October and was due to appear at Glasgow Sheriff Court.
"Three male youths aged 13, 15 and 16 years have been arrested and charged in connection with the attempted murder of the 13-year-old on a train near to Bellgrove railway station.
"We fully understand that the public are concerned about these incidents, however speculation and rumours on social media are extremely unhelpful.
"Together British Transport Police and Police Scotland are providing extra patrols both on trains and in the East End of Glasgow to provide public reassurance.
"If anyone has any concerns, we would urge them to speak to officers."