It is believed that whoever carried out the attacks “intoxi cated men and women” before raping their victims and “then taking their personal items”, Greater Manchester Police said. .
A man has been arrested in connection with four rapes in Manchester city centre dating back to February this year.
The suspect, in his 40s, is in custody for questioning, the force added.
“These are truly horrific crimes,” said Detective Superintendent Richard Hunt, force lead for rape and other sexual offences.
“Our specialist officers have been and are continuing to support those involved in these incidents, and we are doing all we can to provide the appropriate care that they need at this time.”
He added: “No one should feel unsafe when walking the streets of Greater Manchester.
“We remain committed to achieving justice for all victims of rape and we do not tolerate any form of sexual violence in our communities.
