After the Air India Flight 171 crash, involving a Boeing 787 Dreamliner en route from Ahmedabad to London Gatwick, investigators have been struggling to understand what went wrong in the critical first minute after departure.

The group on June 18 said it hacked the Nobitex exchange, a day after claiming it had destroyed data at Iran’s state-owned Bank Sepah.

The unexpected flight of the E-4B Nightwatch, the US military’s airborne command centre, to Washington has sparked interest in its purpose as global tensions mount.