Biafran Soldiers launch Midwest Invasion of 1967, codenamed Operation Torch.

Also, on august 9, 1967, the Biafrans launched their own offensive into the mid-western region. This Midwest Invasion of 1967 (August 9 – September 20, 1967) codenamed Operation Torch, was a military operation between Nigerian and Biafran military forces during the Nigerian Civil War. The invasion began on August 9 when 3,000 Biafran soldiers led by General Victor Banjo crossed the River Niger Bridge into Asaba.

The Biafran forces invaded Midwestern Nigeria through Asaba in Aniomaland, reaching Ore in the West before being push back, leading to a retreat. The Biafran retreat from Ore is considered the turning point of the war.

SOURCE: Wikipedia/BBC