Footage recorded by a fan alleges to show the supporter urinating in the bottle in the stands.
A Sergio Aguero hat-trick saw the Sky Blues restore their 12-point lead, while Chelsea overpowered Brighton.
Matija Ljujic starred again as Wellington held on to beat Newcastle away from home.
Premier League side Bournemouth have been dumped out of the FA Cup by Wigan.
You can expect plenty more long-range strikes from Matija Ljujic after his scorching goal against the Wanderers.
The All Whites striker is heading to Mamelodi Sundowns after a three-year stint at Super Sport United.
Tony Chapron sent Diego Carlos off after he was knocked to the ground in an accidental collision.
Darije Kalezic is more interested in the the development of his players than results.
Both of New Zealand's Premier League representatives were missing from action today due to injury
The Serbian midfielder announced himself to the Wellington faithful with a 75th-minute rocket against the Wanderers.
The fan made comments about the death of the player's infant son.
Coach Darije Kalezic is optimistic following the arrival of new assistant Dario Pot and midfielder Matija Lujujic.
Coach Darije Kalezic is confident Matija Ljujic will prove to be an important addition to the squad.
The two Premier League clubs were locked at 1-1 before Glenn Murray's 87th minute winner.