Nigeria, Nov. 18 -- Former Vice President Atiku Abubakar has called for a full military occupation of Borno and other Nigerian states under siege by terrorists and armed groups, following the killing of Brigadier General Musa Uba in an ambush reportedly carried out by insurgents.

In a statement posted on his social media handles and released by his media office on Monday, Atiku said he was "deeply saddened, extremely shocked and disturbed" by news of the senior officer's death and criticised the federal government for what he described as inadequate transparency around the incident.

Initial reports had suggested that the general was not killed, but his death later became clear alongside those of several troops under his command. Atiku d...