The section of the Dangerous Dogs Act under which two women have been arrested relates to allowing a dog to enter a private property where it is not permitted and the animal then injuring a person.
In March, a 14-year-old girl died after she was attacked by a pack of dogs at a house in Greater Manchester.
Jade Anderson was savaged by up to five dogs at a house she was visiting in Chaucer Grove, Atherton near Wigan. The animals were shot by police.
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Gunshots and explosions have been reported at Istanbul's Ataturk Airport.
Police say they are keeping an open mind about the motive and appealed for anyone with information to come forward.
Rain will clear east through this evening to leave a drier night for most, however showers will continue across some northern areas.