1: "Yellowstone tourist ignored safety guidelines."

2: "Approached bison too closely in park."

3: "Bison charged, injuring visitor."

4: "Officials urge keeping safe distance."

5: "Tourist lucky to escape with minor injuries."

6: "Warning signs posted for bison."

7: "Respecting wildlife crucial in parks."

8: "Follow guidelines to avoid danger."

9: "Stay safe and enjoy Yellowstone responsibly."