In pictures: Karachi blast

The blast in Karachi seems to have further damaged Pakistan's image as a safe country for foreign nationals.

The military government is now considering fresh measures to step up security, and a possible crackdown against suspected militants.

Officials say the blast has confirmed their worst fears of a possible fall-out of the war against terrorism

Most of those on board were French nationals working for a company constructing submarines

This was the third incident in less than four months in which foreigners have specifically been targeted

The Pakistani government says the attack was an attempt to destabilise the country

Several Western countries have warned their nationals to be on their guard in Pakistan

The New Zealand cricket team, which was due to play a test match in the city, has cancelled its tour