Crimestoppers is offering a reward of up to £2,000 for information about the unprovoked attack, The charity said Hayley Baker, 29, was attacked on December 12 on Hertford Street shortly after 8.30pm. The offender, who cut her face with a sharp object, ran off towards Chesterton Lane leaving the victim with serious facial injuries. Ann Scott, Crimestoppers eastern regional manager, said: This violent attack on an innocent woman carrying a child is unthinkable. Not only has she sustained considerable injuries to her face, but it has caused unnecessary trauma and fear that may have longer term ramifications at a time which should be joyous in anticipation of the birth of her child. Crimestoppers would urge anyone with information to contact the charity anonymously, safe in the knowledge that no one will ever know you contacted us. INFORMATION: Crimestoppers is offering a reward of up to £2,000 for information passed to the charitys 0800 555 111 number that leads to an arrest and conviction of the person responsible for the crime.