Hearts have condemned the “shameful scenes” at the end of their Scottish Premiership title decider at Celtic Park, after captain Lawrence Shankland was allegedly assaulted during a pitch invasion.

Celtic fans poured onto the pitch following Callum Osmand’s injury-time goal which confirmed they had leapfrogged Hearts to the top of the table on a hugely controversial day in Glasgow.

In a strongly-worded statement, the club said that they had no choice but to leave the scene immediately and board the team bus, without fulfilling their post-match press duties, owing to “the menacing and threatening atmosphere inside the stadium”.…