The victim sustained lacerations to the nose in the incident.
A man has been arrested in connection with what's described as a hikacking in Newbridge.
Gardai say a man was accosted by two men while driving in Morristown Biller.
They attacked him with a knife, and he sustained a laceration to the nose.
The suspected fled the scene.
Gardai at Kevin's Street, Dublin, detained a man in connection with the inquiry yesterday.
The vehicle was recovered.
The man, who is in his late twenties and from the wider Naas area, was detained an interviewed.
A file is being prepared for the Director of Public Prosections.

Kfm Obituary Notices
'Hop To It': Locals Asked To Record Sightings Of Common Frog, Amid Low Numbers Recorded
New Online Interface To Reveal Derelict Buildings In Every Area
Revealed: Damning Moone-Timolin Cycleway Audit Cost Several Thousand In Taxpayers’ Money
Not Enough Taxis In Country, Says CCPC Amid Calls For Removal Of Uber Restrictions
Thieves Target Home In Naas On Valentine’s Day - Wedding Band Among Items Stolen
After Barracksfield Fallout, Cabinet To Consider €415k Kildare Home Loan Limit - Up From €360K