The female (50s) receiving medical treatment in Portiuncula University Hospital passed away from her injuries, yesterday.
The local coroner has been notified. A post mortem examination will take place in due course.
Investigating Gardaí are appealing to anyone who may have any information on this incident to come forward.
Anyone with information is asked to contact Ballinasloe Garda Station at 090 963 1890, the Garda Confidential Line at 1800 666 111, or any Garda Station.
A male (50s) appeared before Ballinasloe District Court yesterday.
Investigations are ongoing.
