composition-Train Accident (revision 5)

"For your own safety, please stand behind the yellow line." the speaker sounded as Jimmy and John stood at the MRT station.They were waiting for their parents at the MRT station patiently.Just then, Jimmy thought of a good idea - play catching . He told John his idea. John insisted not to play there as it is dangerous . Jimmy pleaded . John had no choice but to let Jimmy have his idea of playing catching . Jimmy wanted to be the catcher and John had to be the runner .They ran around the MRT station .
Just then ,John saw an opening in between the passengers.He quickly dashed through it .He felt as light as a feather.He looked down .He saw himself airborne .He was shocked .He dropped down into the train track . Jimmy saw him in the train track and quickly ran to the train track and told John to hold tight to his hand he pull him up . John lifted his hand up . Every time John lifts his hand up , he just cannot reached Jimmy by an inch. "Beep!" The horn of the train horned."Quick! We are running out of time!"
The track began to vibrate ." The train is coming! Jump！One of the passengers said. John tried to jump and grab Jimmy's hand but to no avail. The train came and dashed across like an angry ox. John screamed"Ahh... ...!" "No!"Jimmy shouted. After a few minutes, sirens of the ambulance filled the air. John was then brought to the hospital.
After a few hours ,the doctor came out of the emergency room and told us ,"He is out of danger but he had broken his left arm ."From then on , John's left arm had forever broken . Jimmy could not stop blaming himself for playing with him ,which had caused the accident .