Amateur video, which can not be independently verified by Reuters, shows the battle for control of Mosul.br br The footage appears to show Iraqi army forces in a pitched fight with insurgent Islamic State of Iraq and the Levant forces on Wednesday.br br ISIL fighters are continuing their lightning advance in the country Thursday, moving into towns just an hour's drive from the capital.br br Amid the growing concern about the fate of the country, NATO secretary General Anders Fogh Rasmussen condemns the violence but offers little support.br br (SOUNDBITE) (English) NATO SECRETARY GENERAL, ANDERS FOGH RASMUSSEN, SAYING:br br "Let me stress that I don't see a role for NATO in Iraq, but of course we follow the situation closely and we urge all parties involved to stop violence.br br Video released by the Iraqi Government shows what it says is an airstrike on an insurgent stronghold in Salahuddin province.