Definition: Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.
Input: Paragraph- Sent 1: On a busy Friday morning in Manhattan, nine pedestrians suffered bullet or fragment wounds after police unleashed a hail of gunfire at a man wielding a .45 caliber pistol who had just killed a former co-worker.
Sent 2: The officers unloaded 16 rounds in the shadow of the Empire State Building at a disgruntled former apparel designer, killing him after he engaged in a gunbattle with police, authorities said.
Sent 3: Three passersby sustained direct gunshot wounds, while the remaining six were hit by fragments, according to New York Police Commissioner Ray Kelly.
Sent 4: All injuries were caused by police, he said Saturday.
Sent 5: One officer shot nine rounds and another shot seven.
Sent 6: Police identified the gunman as Jeffrey Johnson, 58, who was apparently laid off from his job as a designer of women's accessories at Hazan Import Co. last year.
Sent 7: Johnson, who served in the U.S. Coast Guard in the mid-1970s, had two rounds left in his pistol.
Sent 8: It holds eight, Kelly said.
Sent 9: Police identified the slain co-worker as Steven Ercolino, 41, who had apparently filed a prior complaint against his assailant, claiming that he thought Johnson would eventually try to kill him.
Sent 10: Both men had filed harassment complaints against each other in April 2011, Kelly added.
Sent 11: Ercolino was listed as a vice president of sales at Hazan Import Corp., according to his LinkedIn profile.
Sent 12: "It's not something that should happen to a loving person like that," said his brother, Paul.
Sent 13: "He's going to be so missed by everybody.
Sent 14: He was a light of so many lives.". 
Question: How many people were injured?.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
9.