pGreater Manchester Police cordoned off a block of flats on Carlton Road, in Whalley Range, south Manchester, on May 23. The police said they had executed warrantsa as part of the investigation into the Manchester Arena attacka the previous night.ppThe Manchester Evening Newsa reported that at least six armed officers were scrambled to the scene.ppElsewhere in the city, an explosion was reporteda and armed police were seen in Fallowfield, at about the same time police said a 23-year-old man had been arrested in connection with the attack. Police had also indicated that they had executed a warrant in Fallowfield, and that an explosion had taken place there.