He had to be speeding pretty fast to rear end someone like this:
The Lebanese ambassador to South Korea died in a car accident in central Seoul on Thursday, police and fire officials said.
A sedan driven by Jad Saeed El-Hassan, the top Lebanese diplomat in Seoul, rear-ended another car inside Namsan No. 3 Tunnel at about 12:08 p.m., according to the Yongsan Police Station.
The ambassador died en route to a nearby hospital, while two people in the other vehicle were slightly injured, the officials said.
Police said they are investigating the exact cause of the accident, including whether the ambassador was driving under the influence of alcohol. [Yonhap]
You can read more at the link, but last year he was investigated for a hit and run accident in Itaewon.