An innocent exchange with a New York City street vendor turned violent after a Long Island dad was brutally beaten over $20.

Sean Llewellyn was coming out a of a Trey Anastasio band show at the iconic Beacon Theater on the evening of November 30. 

He reportedly noticed a street vendor selling all manner of themed souvenirs and knickknacks, and perused the selection to pick out a keepsake of his own.

Llewellyn handed the man $20, but was allegedly owed change, per the New York Post. 

Rather than hand over the difference, the vendor allegedly ran off with the cash, prompting Llewellyn to chase after him. 

Instead of giving the 47-year-old what he was owed, the vendor reportedly began to attack him. 

He was joined by several other assailants who brutally beat Llewellyn seemingly unprovoked. No weapons were used.

The husband and father-of-three young sons was sent to the hospital and has remained there ever since. 

Long Island father of three Sean Llewellyn was attacked outside of NYC's iconic Beacon Theater on November 30

Long Island father of three Sean Llewellyn was attacked outside of NYC’s iconic Beacon Theater on November 30

Llewellyn sustained a traumatic brain injury and broken eye socket thanks to the attack

Llewellyn sustained a traumatic brain injury and broken eye socket thanks to the attack

The Trey Anastasio Band was playing at the Beacon Theater the night Llewellyn was attacked

The Trey Anastasio Band was playing at the Beacon Theater the night Llewellyn was attacked

According to a GoFundMe page raising money for Llewellyn’s medical expenses, he sustained a traumatic brain injury and a broken eye socket which will require surgery. 

‘Sean has been hospitalized and faces a long, challenging road to recovery,’ family members wrote on the page. 

According to loved ones, Llewellyn and his wife Shannon are devoted members of their community and love to support fundraisers, volunteer, and are active members of their church.

Llewellyn has been unable to work, coach his hockey team, or engage with his community since the attack. 

‘Their generosity and commitment have touched so many lives, and now, in their time of need, the community has an opportunity to give back,’ read the GoFundMe.

Their page already has more than $150,000 to aid with the financial burden of Llewellyn’s recovery. 

Llewellyn’s attack is one in a string of recent violent incidents in New York City’s busiest corridors.

Over the last month, at least three attacks have made headlines in the Big Apple.  

Loved ones described him as a devoted father and patron of the community

Loved ones described him as a devoted father and patron of the community

Llewellyn's loved ones have raised more than $150,000 to care for his medical expenses

Llewellyn’s loved ones have raised more than $150,000 to care for his medical expenses 

Two tourists were attacked by a knifeman on December 8 while waiting for a tour bus near Times Square. 

The woman was slapped in the face and the man was stabbed in the torso. They both refused medical treatment and walked away with minor injuries.  

Just a week before Llewellyn’s attack, a 23-year-old man was stabbed and beaten with a baseball bat on 49th street and seventh avenue. He did not survive his injuries. 

And as recently as Thursday an unassuming 38-year-old woman was stabbed in the bathroom of the iconic Herald Square Macy’s while changing her baby’s diaper. Her attacker was arrested and charged with attempted murder.

No arrests have been reported for Llewellyn’s attackers. 

According to the NYPD, the investigation is still ongoing. 

 ‘The report states that two 47-year-old males agreed to make a purchase from a street vendor when that individual took the payment and ran from the location,’ the NYPD told the Daily Mail. 

‘The two males then chased the individual when they were then attacked by several individuals resulting in physical injuries to their face/head.’