Daphne Caruana Galizia, 53, was killed as she drove away from her home in Mosta.

The Nobel laureate economist said remaining members may be under pressure.

Panamanian law firm Mossack Fonseca has denied any wrongdoing.

Online database will have thousands of Panama Papers documents available.

Responding to "Panama Papers" economists say tax havens increase inequality

The group publishing the leaked information said more will come on May 9.

Among leaked Panama Papers documents are those showing companies named after James Bond films and villains.