A 24-year-old woman from Mablethorpe has suffered an injury to her face after she was glassed on Boxing Day in Mablethorpe.
Police received the call just after 11pm at Jesters pub in Mablethorpe.
An 18-year-old woman from Louth was also caught up in the incident and sustained a bite wound to her arm.
Two people have been arrested in connection with the incident.
An 18-year-old man was arrested on suspicion of GBH and a 21-year-old woman on two counts of ABH.
Both individuals are from the Gainsborough area and have been released on police bail until February 5.