Attack on female in Hagley Park, Christchurch

Christchurch Police are investigating an attack on a 25 year old female in North Hagley Park near the croquet club between 10:00 pm - 10:20 pm last night 22 October 2008.
Police are appealing for witnesses.
In particularly a cyclist who came to the assistance of the female. He accompanied her to Riccarton Road following the attack.
The female's wallet and contents are outstanding. If anyone locates any wallets, cards or property in the central city area please phone Police.