The Inter-Parliamentary Union (IPU) is calling on the government of
The IPU's Human Rights Committee, which has wrapped up its latest session, has examined cases of abuse of some 300 MPs in 29 countries.
The Inter-Parliamentary Union says the Sri Lankan government no longer has any reason for not investigating the murders of the Parliamentarians now that its long-running civil war with the Tamil Tigers is over.
Chair of the IPU's Human Rights Committee, Canadian Senator, Sharon Carstairs, says the government has always maintained it was unable to investigate the murders because they occurred in LTTE-held territory. She says that excuse no longer exists.
Tamil Parliamentarians are subject to arbitrary arrest, harassment and intimidation, she told Voice of America radio.
She says her Committee is concerned about the situation of 12 Tamil Parliamentarians.
She says they essentially have been stripped of their rights of freedom of movement and of their ability to perform their legislative duties.
She says the Tamil Parliamentarians are reluctant to leave the capital,
"So, there is great fear among the Tamil Parliamentarians," Carstairs said.
"So, what we hope from