In India's Uttar Pradesh, a tragic collision between a double-decker bus and a milk tanker in the Unnao district on Wednesday (July 10) has claimed the lives of at least 18 people.

Uttar Pradesh tragedy: 18 killed as double-decker bus and milk tanker collide on Lucknow-Agra Expressway

Similar incidents were reported previously, one of the latest being that of?a collision that took place at the Noida expressway

Watch: 10 cars collide at Lucknow-Agra expressway, several injured

The exercise, a rehearsal for the defence forces, took place near Bangarmau in Unnao.?

Five things we learnt from IAF's exercise on Lucknow-Agra Expressway

The exercise began with an impressive short-landing by the C-130 which on its landing rolled itself and offloaded the Garud Commandos and their vehicle.

Watch IAF drill: Fighter planes land on Lucknow-Agra Expressway

20 aircraft including AN-32 transport and fighter planes like Mirage 2000, Jaguar, Sukhoi 30 MKI will will make a touchdown on the Lucknow-Agra Expressway on October 24.

20 IAF planes to touch down on Lucknow-Agra Expressway tomorrow

The IAF will be conducting the aircraft touchdown exercise on the Agra Expressway near Bangarmau in Unnao district, according to PRO, Defence (Central Command), Gargi Malik Sinha.

20 IAF planes to touch down on Lucknow-Agra Expressway on Oct 24