Reporters Without Borders has called on Pakistan's Electronic Media Regulatory Authority, or PEMRA, to immediately cancel its order that cable TV operators stop transmitting Sindh TV.
PEMRA issued the order Thursday, prompting the response from Reporters Without Borders.
The media rights group also expressed concern about threats against one of Sindh TV's correspondents, Pervaiz Narejo, who recently reported about alleged police brutality.
Reporters Without Borders said Pakistani authorities should stop interfering in the matters of the broadcast media. It also said reporter Narejo should get special protection, and that police should arrest those responsible for threatening him.
Pakistan's Information Minister Mohammad Ali Durrani tells VOA he knows about the incident and has asked for a full report.
The Sindh TV channel recently broadcast critical reports about the suicide bombing of the Army training outfit in the North Western Frontier Province, and the recent army crackdown on militants in Baluchistan province.
Sindh TV news director Razzaque Sirohi said he does not know why PEMRA ordered cable operators to stop distributing it.
This is not the first time that a TV station has been suspended by PEMRA or by local authorities. Punjab police stopped cable operators from broadcasting ARY TV in September after it screened footage of alleged police brutality.
Some information for this report was provided by Reuters.