New Delhi, Nov. 9 -- The European Union has sued IBM, French IT company Atos and Italian defence contractor Leonardo over repeated delays in developing its new digital border system, which has faced technical glitches and caused long queues at airports across Europe. Here is what led to the dispute, The Financial Times reported.

The European Union has taken 3 major technology and defence companies to court over delays in delivering a new border security system that was originally expected to be operational in 2022. The project, instead, has been hit by missed deadlines, rising costs and technical problems.

EU-Lisa, the agency responsible for managing the bloc's large-scale IT systems, filed the lawsuit against IBM, Atos and Leonardo in ...