Al Jazeera: Iraqi government forces have been involved in intense fighting to drive the Islamic State of Iraq and the Levant (ISIL) group out of Fallujah in Anbar province. Twenty soldiers have been killed in the latest violence, taking the total number of troops killed in the past two days to more than 300. The army has recaptured the centre of the city, along with the main hospital and stadium, but ISIL still control pockets of territory. Al Jazeera’s Omar Al Saleh explains.