MADRID, April 30 -- Julian Alvarez's penalty secured Atletico Madrid a 1-1 draw against Arsenal in a nervy Champions League semi-final first leg clash on Wednesday.

Viktor Gyokeres sent the Premier League leaders ahead from the spot just before the interval after he was fouled, but Alvarez followed suit 10 minutes into the second half after Ben White's handball.

Arsenal were upset at a late penalty decision being overturned following a VAR review when David Hancko made contact with Eberechi Eze in the area.

"I'm incredibly fuming," said Arsenal coach Mikel Arteta. "It's a clear and very obvious penalty."

Atletico had the better for long periods but Arsenal's solid defending helped them leave the Spanish capital in a good position to r...