Alley cordoned off after sex assaults on two girls
BBCAn alleyway in Nottingham city centre has been sealed off after two teenage girls were sexually assaulted.
Police said the attacks were believed to have happened at about 23:00 BST on Thursday in the Old Market Square area.
An alley leading from the Old Market Square to Norfolk Place, near the former Debenhams building has been cordoned off.
The force said the victims were being supported by specialist officers as police "continue to work with them to understand the circumstances surrounding the assaults".

No arrests have been reported.
Det Insp Beth Sheard said: "We know that these incidents are very concerning and I would like to reassure the victims and the wider public that we are doing everything we can to investigate these reports.
"Our investigation is now under way and I urge anyone who has any information to call Nottinghamshire Police immediately."
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