Bangladesh is set to announce plans to investigate and prosecute alleged war crimes during the country's war of independence nearly 40 years ago.

The government says those accused of collaborating with the Pakistani army in the killing and rape of thousands of civilians will be put on trial.

The party which fought for independence in 1971, the Awami League, has been returned to power with a majority.

The probe is opposed by one of the main opposition parties, Jamaat-e-Islami.

It leaders are among those accused for alleged war crimes.