Eight killed, including gunman, in shooting at Texas home

DALLAS, Sept 10 (Reuters) - A gunman killed seven people at a home in a Dallas suburb on Sunday evening before being shot dead by police called to the scene, authorities said.

The shooting took place in Plano, a suburb north of Dallas.

David Tilley, a spokesman for the Plano Police Department, said the shooter was killed by the first responding officer after an exchange of gunfire. The officer was not injured.

RELATED: The most violent states by homicide ranking

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The most violent states by homicide ranking
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The most violent states by homicide ranking

Hawaii: no data

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1. Least homicidal - New Hampshire

Firearm-homicide rate: 
1991: 1.23
2015: 0.96

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2. Rhode Island

Firearm-homicide rate: 
1991: 2.24
2015: 0.99

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3. Maine

Firearm-homicide rate: 
1991: no data
2015: 1.14

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4. Massachusetts

Firearm-homicide rate: 
1991: 2.18
2015: 1.26

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5. Utah

Firearm-homicide rate: 
1991: 1.64
2015: 1.29

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6. Idaho

Firearm-homicide rate: 
1991: 1.14
2015: 1.29

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7. Iowa

Firearm-homicide rate: 
1991: 1.44
2015: 1.62

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8. North Dakota

Firearm-homicide rate: 
1991: no data
2015: 1.69

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9. Vermont

Firearm-homicide rate: 
1991: 2.35
2015: 1.76

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10. Minnesota

Firearm-homicide rate: 
1991: 1.45
2015: 1.77

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11. South Dakota

Firearm-homicide rate: 
1991: no data
2015: 1.97

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12. New York

Firearm-homicide rate: 
1991: 9.57
2015: 2.07

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13. Wyoming

Firearm-homicide rate: 
1991: 2.27
2015: 2.16

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14. Montana

Firearm-homicide rate: 
1991: 2.52
2015: 2.17

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15. Washington

Firearm-homicide rate: 
1991: 2.39
2015: 2.32

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16. Oregon

Firearm-homicide rate: 
1991: 1.96
2015: 2.35

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17. Connecticut

Firearm-homicide rate: 
1991: 3.63
2015: 2.43

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18. Colorado

Firearm-homicide rate: 
1991: 2.94
2015: 2.46

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19. Nebraska

Firearm-homicide rate: 
1991: 1.93
2015: 2.67

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20. West Virginia

Firearm-homicide rate: 
1991: 4.62
2015: 2.89

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21. Wisconsin

Firearm-homicide rate: 
1991: 2.75
2015: 3.18

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22. New Jersey

Firearm-homicide rate: 
1991: 2.84
2015: 3.22

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23. Virginia

Firearm-homicide rate: 
1991: 5.54
2015: 3.29

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24. Kansas

Firearm-homicide rate: 
1991: 3.81
2015: 3.35

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25. California

Firearm-homicide rate: 
1991: 8.74
2015: 3.52

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49. Louisiana

Firearm-homicide rate: 
1991: 13.49
2015: 9.96

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26. Arizona

Firearm-homicide rate: 
1991: 5.57
2015: 3.56

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27. Kentucky

Firearm-homicide rate: 
1991: 4.59
2015: 3.96

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28. Texas

Firearm-homicide rate: 
1991: 10.43
2015: 4.04

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29. Pennsylvania

Firearm-homicide rate: 
1991: 3.88
2015: 4.34

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30. Ohio

Firearm-homicide rate: 
1991: 3.89
2015: 4.38

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31. Nevada

Firearm-homicide rate: 
1991: 7.15
2015: 4.49

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32. North Carolina

Firearm-homicide rate: 
1991: 8.25
2015: 4.54

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33. Indiana

Firearm-homicide rate: 
1991: 4.16
2015: 4.61

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34. Florida

Firearm-homicide rate: 
1991: 7.35
2015: 4.66

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35. Michigan

Firearm-homicide rate: 
1991: 7.95
2015: 4.74

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36. New Mexico

Firearm-homicide rate: 
1991: 5.34
2015: 4.79

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37. Alaska

Firearm-homicide rate: 
1991: 2.84
2015: 5.22

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38. Arkansas

Firearm-homicide rate: 
1991: 8.48
2015: 5.34

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39. Illinois

Firearm-homicide rate: 
1991: 7.91
2015: 5.45

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40. Tennessee

Firearm-homicide rate: 
1991: 7.69
2015: 5.71

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41. Georgia

Firearm-homicide rate: 
1991: 9.01
2015: 5.73

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42. Oklahoma

Firearm-homicide rate: 
1991: 4.90
2015: 5.87

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43. Delaware

Firearm-homicide rate: 
1991: 2.15
2015: 6.12

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44. South Carolina

Firearm-homicide rate: 
1991: 7.34
2015: 7.55

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45. Maryland

Firearm-homicide rate: 
1991: 8.07
2015: 7.69

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46. Alabama

Firearm-homicide rate: 
1991: 9.90
2015: 8.43

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47. Missouri

Firearm-homicide rate: 
1991: 7.54
2015: 7.92

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48. Mississippi

Firearm-homicide rate: 
1991: 10.33
2015: 9.11

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Seven people were found dead in the Plano home.

Two additional shooting victims were taken to a local hospital. Their condition was unknown.

"We're trying to put all the puzzle pieces together," Tilley said.

There was no information yet on the relationship between the suspect and the victims. Local media reports that the shooting occurred at a Dallas Cowboys viewing party could not be confirmed either. (Reporting by Lisa Maria Garza, editing by Chris Michaud and Himani Sarkar)

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