Dramatic emergency call footage recorded during a stabbing rampage on a Tel Aviv bus was released Wednesday, providing insight into the horror surrounding the terror attack.In the approximately 30-second call to Magen David Adom placed at 7:28 a.m. on Wednesday morning, a female caller can be heard frantically explaining the situation to the dispatcher. Caller: "There was a terror attack on a bus. A man with a knife. A terror attack on a bus in Tel Aviv. At the Maariv bridge."MDA dispatcher: "What happened there?"Caller: "A terror attack on a bus, a bunch of people hurt with a knife."MDA dispatcher: "Approximately how many people are injured there?"Caller: "I don't know how many. I feel blood all over my body."More than 20 people were injured in the attack which was carried out by a 23-year-old Palestinian from Tulkarm in the West Bank. At least four of the victims – including the bus driver – were listed in serious condition, while three others suffered moderate injuries and two were lightly hurt. Several more people suffered shock, according to Magen David Adom paramedics.The attack began just prior to 7:30 a.m., as the bus was reaching the Maariv junction in the center of the city. Eyewitnesses and police said the attacker began stabbing the bus driver repeatedly in the upper body. The bus began swerving in its lane as the driver fought with the attacker. The driver, a veteran with over two decades on the job, even tried to use pepper spray on the man, who began then attacking other passengers, police said.The swerving bus caught the attention of an Israel Prison Service “Nahshon Unit” team who were driving behind the bus on the way to the Tel Aviv courthouse to pick up detainees. When the bus came to a stop and passengers began fleeing, three of the IPS officers began to chase the attacker as he fled east through parking lots and alleyways towards HaMasger Street.The IPS officers managed to shoot the attacker in the leg and neutralize him, placing him under arrest. The attacker was taken for medical treatment and for questioning by police and the Shin Bet security services.