Wolves substitute Tolu Arokodare struck in the 90th minute, but Yerson Mosquera put through his net in added time to gift Arsenal all three points.
Police were still searching for a suspect or suspects, according to alerts issued through the university’s emergency notification system.
The Gunners needed to two own goals – the winner came in the fourth minute of stoppage time – from the basement boys to scrape over the line.
Toure concedes that when coming up against the best of the era – as he views Haaland now – he could struggle sleeping.