Translate the following article text into english, retaining the HTML tags: Drug Deal at Vienna's Keplerplatz Escalated: 25-Year-Old Injured and Robbed

A passerby alerted the police on March 22 around 1:30 PM after a violent altercation reportedly occurred in the area of Keplerplatz in Vienna-Favoriten. According to police reports, a 25-year-old man was injured in the incident.
Attack on 25-Year-Old During Drug Deal in Vienna-Favoriten
The affected individual told the officers that he had attempted to buy drugs from a casual acquaintance. During the handover, however, the alleged dealer became violent, threatened him with a sharp object, and snatched his cash. Another unknown person joined in, and together the two men assaulted the 25-year-old.
The injured man initially managed to escape and sought refuge in the vicinity of Reumannplatz. Shortly thereafter, he returned to the scene of the crime, where another altercation with the same men occurred. The suspects then fled in an unknown direction.
Random Arrest After Brawl
While the police were still working to clarify the incident, another brawl occurred in the immediate vicinity. During the investigation, it was revealed that one of the participants was a suspect in the previous serious robbery. The 27-year-old Syrian national was provisionally arrested.
A file was secured during the search of the man. In a nearby green area, officers also found a shoulder bag with drugs, which could be attributed to the arrested individual.
The Vienna State Criminal Police Office has taken over further investigations. The arrested suspect is in police custody. The search for the second alleged perpetrator is currently underway.
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