Boris Johnson urges US to waive immunity for diplomat's wife wanted over teen's death crash

The speaker expresses condolences to Harry Dunn's family and criticizes the use of diplomatic immunity in this case. They emphasize the importance of engaging with legal processes and mention ongoing discussions with the US ambassador in the UK. If unresolved, the speaker plans to address the issue with the White House.

Who is the speaker raising concerns with regarding the situation?

What does the speaker intend to do if the situation cannot be resolved?