The Communications Minister was cycling alongside his wife Mary when he was struck from behind.
Minister Denis Naughten was being treated in hospital in Co. Roscommon on Monday after being struck by a car from behind while out cycling with his wife Mary.
The incident occurred just outside Roscommon town, close to Fuerty, according to reports.
Naughten's injuries are not thought to be serious, his spokeswoman said, after he was taken to Portiuncula Hospital.
Gardaí are investigating the incident, while, doctors assess whether or not the minister has suffered a back injury.
The minister's wife was not injured in the incident.
