Interior Minister Sheikh Rashid Al Khalifah said demonstrations would be permitted only when the security and stability were sufficient to maintain national unity.
He also said the government wouldn’t tolerate “repeated abuse” of freedom of speech.
A similar ban was introduced in the country in March 2011, when King Hamad declared a three-month state of emergency.
Bahraini Shiites have been protesting against sectarian discrimination. In a Sunni-run kingdom, 70% of the population is forced to live in poverty and continuing religious oppression.
Voice of Russia, Interfax