Lamela, Lo Celso and Reguilon were pictured at the gathering over the Christmas period, a photo of which was circulated on social media
Tottenham Hotspur boss Jose Mourinho has condemned Erik Lamela, Sergio Reguilon and Giovani lo Celso for breaking novel coronavirus protocols after the trio were spotted at a large party.
Lamela, Lo Celso and Reguilon were pictured at the gathering over the Christmas period, a photo of which was circulated on social media.
West Ham United's Manuel Lanzini was also in attendance, breaching strict guidelines that prohibit mixing with other people indoors due to Covid-19.
Tottenham are set to take disciplinary action after Mourinho issued an angry rebuke about the players' behavior.
Mourinho had been critical of the Premier League for cancelling his team's match against Fulham in midweek after a virus outbreak in the Cottagers' squad.
His players' antics put him in an awkward position and he gave them a stinging blast, even referencing the present of a suckling pig he gave to Spanish defender Reguilon for Christmas Day.
28-year-old Paris Saint-Germain striker posted a video of a dinner table that appeared to be for about 40 guests, decked out with white flowers and an empty chair between each place settingPosted by Sports Tribune on Friday, 1 January 2021
Argentine midfielder Lamela was not named in the squad for Saturday's Premier League victory against Leeds, while Reguilon was on the bench and Lo Celso, another Argentine, was out injured.
It is not the first time Tottenham players have broken lockdown rules as there were several incidents during the first lockdown in the spring.
Mourinho was seen holding a personal training session with Tanguy Ndombele, while Ryan Sessegnon and Davinson Sanchez were seen out running together.
Serge Aurier was a repeat offender, having a haircut and a personal training session with Moussa Sissoko.
West Ham also reminded Lanzini of his responsibilities.