A private hospital in Huddersfield was closed as police investigated an incident in the car park.
Police received a number of reports from 12.02am this morning (22 August) in relation to an altercation in the grounds of the BMI Huddersfield Hospital on Birkby Hall Road, Huddersfield.
While officers were en-route to the scene, police were made aware that a man with a number of injuries had arrived at Huddersfield Royal Infirmary.
The man remains in hospital where he is being treated for non-life-threatening injuries to his hand.
Detective Inspector Mark Atkinson, of Kirklees District CID, said: “Our enquiries are in their early stages but it appears that this was a targeted attack. Neighbourhood officers will be carrying out reassurance patrols in the area.
“We would like to hear from anyone with information about the circumstances of what has happened or those involved.”

Tributes Paid to Former Buckinghamshire High Sheriff Peter Kara
Calderdale House Builder Fined £300,000 After Worker Suffers Serious Spinal Injuries
Bradford Youth Orchestra Hits the Right Notes on German Tour
Wakefield Man Charged Over A61 Crash That Killed Six People
Calls for New Bus Route to Connect Growing Milton Keynes Communities
West London ANPR Camera Plan Sparks Row Between Neighbouring Councils
Eight Men Appear in Bradford Court Over Alleged Cockfighting Offences
Man Jailed for 14 Years Over 20kg Heroin Plot in Leeds
Former Senior Church Figure Jailed for Historical Sexual Offences
Free Fireworks Displays to Return to Manchester Parks
Bradford Woman Jailed After Committing Burglary Just 14 Days After Suspended Sentence
Bradford and Keighley Care Workers Named Finalists in Regional Awards
The Golden Era
Legal Show
Bhangra Nights
Alim OnAir