Amnesty International is warning that curbs on free expression in Kuwait, imposed since the 2011 Arab Spring protests swept the Mideast, are putting the country at risk of "sliding into deeper repression."

Tiny Kuwait has long enjoyed the most free-wheeling political system in the Gulf and a relatively vibrant press, though certain types of comments — such as denouncing the Arab country's ruler — remain illegal.

But in a report released on Wednesday, Amnesty documented the arrests of dozens of activists and others agitating for change since 2011 in the Western-allied, oil-rich nation.

The London-based group says Kuwaiti authorities are using a variety of laws to silence critics.

Kuwaiti officials could not immediately be reached for comment on the Amnesty report.