Terror group 'unable to deny Iraqi security forces their objectives'.
The UN said it was 'profoundly concerned' by the high loss of life.
Iraqi government forces are currently battling the Islamist militants in west Mosul.
Islamic State has lost much territory and many fighters as it comes under attack from the US-backed coalition in Iraq and three separate ground forces in Syria.
111,000 have sought shelter in 17 nearby camps with rest staying with relatives living nearby.
Families trudge through rain and mud as they flee, many desperately hungry and traumatised by living under Isis rule.
Heavy fighting has been reported in Mosul's old city as Iraqi forces battle towards the Grand Mosque.
Iraqi federal police reportedly killed Abu Abdul Rahman al-Ansary in Bab al-Tob district
Iraqi forces are facing increasingly stiff resistance from Islamic State militants, who are using suicide car bombs and snipers to defend their last major stronghold in Iraq.
Baghdad will need money and support from the US and others if it is to defeat jihadism.
The prison is located about 10km northwest of Mosul on the road to Tel Afar in Iraq.
The suicide blasts resembled previous Isis attacks in the area, but no group has so far claimed responsibility.
Yass Khathr punished 50 women a week, beating them for crimes like smoking or showing their ankles.
A lack of communication between Baghdadi and his leaders in Mosul indicates is focusing on preserving his own life.
Iraq's elite troops and police forces take control of state buildings and museum in western Mosul.
Miliants barricaded both ends of the tunnel, ripped up the tracks and built an assault course inside, on which to train their recruits.
The bridge connects to the old city centre that is currently held by the Islamic State.
Over 10,000 civilians have fled Isis-held districts since government forces breached the city's southern defences on 23 February.
Stephen Townsend expressed hope that Raqqa in Syria will also be liberated from Isis control.
Ahmed Sami Khider and Hisham Fadlallah reportedly died near Mosul on the same day.
Documents, found by Reuters, include some of the first first-hand accounts from Isis suicide bombers to be made public, offering an insight into the mindset of young recruits.
The strategically vital site controls access to parts of Isis-controlled western Mosul.