In Niger, the death toll from an attack by extremists on military in the West African nation last week has risen to 89. The fatalities have risen dramatically from 25 that the government initially said were killed last week.<br />''<br />''According to a statement, 77 extremists were also killed by Niger's Army and its foreign allies. The government has announced three days of national mourning.<br />''<br />''Extremists attacked the Chinagrodrar Advanced Military post on Thursday last week near the border with Mali. <br />''<br />''<br />''<br />