witness to an icident now been called to trial

[super_lotto]

hi i was a witness to an incident when i was walking back from talking my daughter to school> i basically saw someone throw something at someone else i no niether the victim or the person who did it. i asked the man if he was okand went on about it later in the day he caught up wit me and asked if i wud give a statement i was very unsure but gave hime my address incase he did go to the police. the nest nite the police came and asked me t give a statement i said no at first as i was reluctant to get involved as i have 2 saml children the police told me i wouldnt have to go to court and a written stament is enough. they also told me he lived out of town both lies> police told me he addmitted been there seein me and throwing something but not the thing i saw> i have now recieved a letter he is stating not guilty and its going to trial i really dont want to go im scared to death and i havent slept or eaten for to days none sop crying\, i feel like the police douped me and now im left having to go to court> is they any way i can retract my statement?? please help me

[super_lotto]

the witness care said that she was unsure which side wanted me to go as i can not id the person as he had a cap on. and was unsure of the car etc but on the other side i saw the weapon been thrown. tbh i just want to go and tell the truth the police said they has been history with these to etc so i suppose i just dint wanna get involve i partly wish i had stuck to my guns and said no