By their very nature their use would breach the fundamental principles prohibiting unnecessary suffering, long-term damage to the natural environment and indiscriminate attacks harming the civilian population.

But it does prohibit attacks from or at civilian areas on both sides of the border.

Most navies have since then instituted regulations that prohibit physical attacks on sailors undergoing the line-crossing ceremony.

It was a violation of the most fundamental law of war, enshrined in numerous treaties and conventions, which prohibits deliberate attacks on civilian targets.

Whatever spurs such criticism, most sites have explicit user guidelines that prohibit foul language, racial epithets and personal attacks.

International humanitarian law prohibits deliberate attacks on civilians and intentional violations can be war crimes.

The first protocol, covering international conflicts, prohibits military attacks on civilian targets and places restrictions on methods of warfare particularly murderous to civilians.

Other rules prohibit political discussion and personal attacks.

Facing an enemy with scant respect for the Geneva Conventions, which prohibit attacks on ambulances, is far from the only challenge.

After one week of fighting in South Lebanon, a mutual agreement mediated by the United States prohibited attacks on civilian targets by both parts.