Colombo, Jan 08 (Agencies): A media rights group has accused the Sri Lankan Government of blocking an investigation into the killing of a newspaper editor two years ago, saying its indifference in solving the crime had made it an accomplice.

A Paris-based group—Reporters Without Borders—said Lasantha Wickrematunge's killers remained at large and accused the Sri Lanka Government of stymieing an investigation.
Wickrematunge, editor of The Sunday Leader newspaper, was shot dead by motorcycle-riding gunmen while driving to work on January 8, 2009.

The paper had been critical of the Government's conduct of the decades-long war against the now-defeated Tamil Tiger rebels, and reported on alleged human rights violations and Government corruption.

"Reporters Without Borders is appalled by the fact that the Sri Lankan Government is doing nothing to solve this murder and in fact is clearly preventing the truth from coming to light," the group said in a statement.

"It is not possible to make immediate conclusions in a planned killing like this, but we will conduct a systematic investigation and arrest the culprits," said police spokesman Prishantha Jayakody.

Reporters Without Borders has said 25 journalists were killed in Sri Lanka over the past 10 years.

Some have been abducted and remain missing, while others have fled the country after being beaten up or threatened.

The incidents are a major blow to media freedom in Sri Lanka, it added.

Wickrematunge's widow, Sonali Samarasinghe Wickrematunge, said in the Reporters Without Borders statement her husband was a journalist "who fought fearlessly for the freedom of the Press and relentlessly pursued what he believed was right."