Ana Ivanovic's coach collapses at Australian Open

Ana Ivanovic's third-round match at the Australian Open was suspended after coach Nigel Sears collapsed.

Ivanovic was leading Madison Keys 6-4 1-0 when 59-year-old Sears, Andy Murray's father-in-law, fell to the ground in the coach's box at Rod Laver Arena on Saturday.

The match was immediately delayed as Ivanovic watched on in concern from her chair. Ivanovic and Keys were then ushered down the tunnel before officials decided to suspend proceedings, with world number two Murray in action against Joao Sousa over at Margaret Court Arena.

Play resumed shortly after, with reports indicating that Sears was conscious and responsive after being taken to hospital.  It is the second time this week Ivanovic's match has been delayed by an incident in the crowd.

The Serb was left shaken when a spectator crashed down a set of stairs during her win over Anastasija Sevastova on Thursday.