"We need further investigations before the court resumes so that we won't be asking for more adjournments."

MASS TRIALS

Nigeria began the first mass trials linked to the Islamist insurgency in October last year, more than eight years after the start of violence that has killed at least 20,000.

Human rights groups have accused the military of arbitrarily arresting thousands of civilians and holding them in unsanitary conditions and without access to lawyers.

The prosecutions were welcomed but the government was criticised for ordering the hearings to be held behind closed doors, with the media and public banned.

Four civilian courts have been set up at a military base in Kainji, in Niger state, to try 1,669 suspects.

The government said on October 13 that 45 people were convicted and sentenced to between three and 31 years in jail but gave no further details.

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