1.   It is considering creating a security zone inside northern Iraq to curtail Kurdish separatist activity along the porous frontier between the two countries.

2.   Yet, the two places share a porous frontier that enables northerners armed with strong British pounds to head south to hunt for bargains.

3.   Pakistan has been sending soldiers and tanks to the border to tighten security, though the porous frontier is still considered far from leak-proof.

4.   But the porous frontier separating Afghanistan and Pakistan makes it impossible to stop the flow of Afghans.

5.   India accuses Pakistan of aiding the rebels by giving them training, weapons and cover fire when they slip across the porous frontier, called the Line of Control.

6.   On Sunday, the government won approval from tribal elders in the semiautonomous region to send a federal force to the porous frontier.

7.   The government won approval Sunday from tribal elders in the semiautonomous region to send a federal force to the porous frontier.

8.   Twenty thousand Russian border guards are in the country as peacekeepers and trying to enforce a porous frontier trafficked by weapons and drug smugglers as well as rebel fighters.

9.   The Tajik government has often accused Afghan factions of harbouring and supplying these opposition rebels, who have easy access to Afghanistan across a porous international frontier.