Mae ditectifs yn ymchwilio i ymosodiad honedig yn ymwneud â dau ddyn ym Mhentrefelin.
Dywedir bod y digwydiad wedi digwydd wrth y goleuadau traffig dros dro ar yr A497 rhwng 11:30yb a 11:45yb bore Mercher (30 Medi).
Mae Heddlu Gogledd Cymru yn apelio ar dystion sydd ag unrhyw luniau neu ffilm i ddod ymlaen.
Os oes gennych unrhyw wybodaeth, ffoniwch 101 neu ewch i'r sgwrs we fyw ar wefan yr heddlu, gan ddyfynnu'r rhif cyfeirnod 26000803019.
Do you have a local news story to share? Email news@monfm.co.uk
Oes gennych chi stori newyddion lleol i'w rhannu? Ebostiwch news@monfm.co.uk
Click here to listen again to your favourite show!
Cliciwch yma i wrando eto ar eich hoff rhaglen!
Bangor: new bid to find baby girl's mother
A special phone line has been set up in a new attempt to locate the mother of a newborn baby girl, whose body was found in Bangor.
Van driver released after Llanfairfechan collision
A van driver arrested following the death of a six year-old boy in Llanfairfechan has been released under investigation by police.
Witness appeal after Pentrefelin assault
Detectives are investigating an alleged assault involving two men in Pentrefelin.
Cob Crwn extension opens to public
A new extension for Porthmadog's Cob Crwn footpath has been opened to the public.
Six year-old boy dies in Llanfairfechan collision
A six year-old boy has died after he was hit by a vehicle in Llanfairfechan.
7:00pm - 10:00pm
From the 70's to the 00's, Ian has the perfect soundtrack to kick-start your weekend.
