What does "in row" mean? For us non-English English speakers.

"in a row"; the headline eliminated the "a" which contributes to the possible confusion.

“a noisy argument or fight”, from the Cambridge dictionary. I believe it’s primarily used in British English.

To add to the other replies, when it's an argument, it's pronounced like "how" not like "no".

A row in this context is like a dispute or argument

in an argument

"row" means "an argument"