Islamabad, April 24 -- Pakistan today warned that any move by India to divert the flow of the Indus river waters will be considered as "an act of war".

This was decided at the National Security Committee (NSC) - the top civil-military decision-making body - meeting chaired by Pakistan Prime Minister Shehbaz Sharif on Thursday.

As part of its immediate response to India's downgrading of ties, the Pakistani government announced the restriction of the Indian High Commission's diplomatic staff in Islamabad to a maximum of 30 personnel, effective April 30.

Pakistan has also closed its airspace to all Indian-owned or operated flights with immediate effect.

The committee also decided to suspend all forms of trade with India, including those ...