Glen Kamara’s lawyer has warned Rangers face a “genuine risk to life” ahead of the club’s Europa League clash with Sparta Prague.
Aamer Anwar said he feared players and fans will be targeted by violent ultras when they travel to the Czech capital later this month.
It comes as police say they are “acquainted” with tensions between the Scottish Champions and hooligan groups in the city.
They plan to increase security following racist abuse and death threats issued to Kamara after Rangers’ controversial match with Slavia Prague in March.
The Finnish star was called a “f****** monkey” by Slavia’s Ondrej Kudela. It triggered a row between the two clubs and both sets of supporters and led to Kamara receiving vile comments on social media.
Anwar urged the Light Blues support to stay at home, saying they could be “picked-off” by thugs who follow both Prague clubs. He also wants governing body Uefa to issue a warning that fans’ anti-social behaviour will result in tough sanctions.
Anwar, who also suffered racist slurs, said: “The abuse of Glen Kamara was followed by death threats and minute-by-minute text messages to him and myself.
“I fear for the safety of anyone travelling out to Prague – players and fans.
“Rangers players don’t have to tolerate any form of racism.
“Sooner or later someone is going to end up getting killed.
“The police are likely to do nothing because they are scared of these casuals.
“It will be dangerous for the players and the fans. I think it is a genuine risk to their lives. I’d be worried for fans travelling over if they don’t have tickets. It’s not worth risking themselves.
“We have seen death threats and threats to come over to Scotland, threats of murder. This presents a prize opportunity. There will be a limited number of fans and they are liable to be picked off and targeted.”
The lawyer, who represented Kamara at a Uefa hearing, added: “A nice trip could turn into a tragedy.
“I suspect these ultras would be looking for Rangers fans and they wouldn’t stand a chance.
“The best thing they could do is stay safe and stay at home.
“The authorities really need to act tough this time. I would like to see a very strongly worded statement from Uefa giving a warning about the consequences of more trouble.”
The Gers take on Sparta Prague on September 30 in their second Europa League Group A tie.
Earlier this month, UEFA gave the go-ahead for away fans to get match tickets. Hundreds of Rangers supporters have already booked flights to watch their team in the Generali Ceska Pojistovna Arena. Czech internationalist Kudela received a 10-match ban for racially abusing Kamara, who was suspended for three games after he was judged to have assaulted the defender in the tunnel at the end of the Europa League clash.
Rangers striker Kemar Roofe was sent off in the match for a high challenge on Slavia goalie Ondrej Kolar, who was left with a fractured skull and facial injury.
The day after the tie, Slavia fans responded by unfurling a racist banner aimed at Kamara which Prague police are probing.
Meanwhile, Sparta face having a stand closed for the tie against Rangers as punishment over racist abuse from fans in a Champions League qualifier against Monaco last month.
Sparta ultras are considered as being among the most dangerous in Europe.
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Labour peer George Foulkes was kicked in the face when Sparta thugs jumped Hearts fans in a pub in 2006. He urged Rangers fans to “think twice” about travelling.
Foulkes said: “We were standing quietly in a pub near the ground when a group of thugs dressed in black with balaclavas rushed in and started punching and kicking us.
“I would advise all Rangers fans to be very cautious, think twice about going. Those who do go should keep together and be vigilant as they move around, particularly near the ground.”
Andy Smith, chairman of the Scottish Football Supporters Association, said: “It’s no secret how dangerous Sparta fan groups are and their violent clashes of the past are well documented.
“Given their history and the issues that arose last season with Slavia, Rangers fans could find themselves in very dangerous situations if they head to Prague.”
Czech police said they are aware there is a risk of flare-ups.
A Prague police spokesman said: “We are acquainted with the course of the SK Slavia match in Scotland in March and perceive them as circumstances that could cause some tension before the upcoming matches between AC Sparta and Rangers FC.
“For the match in Prague, the management of the local police will take standard security measures, the scope and deployment of which will be based on currently identified information about the security situation and possible risks. As for the banner with an inscription insulting Kamara, Prague police are carrying out criminal proceedings.”
Police Scotland said: “As is standard practice whenever a Scottish football club plays overseas, our officers routinely liaise with both clubs involved and our police colleagues from the country in question.”