Roquan Smith’s mysterious absence came to an end Wednesday as the star linebacker returned to practice.But Smith’s status for Sunday’s game in London is less certain, even though he told reporters he will play. “He’s completely a personal issue,” Nagy said Monday. “It’s for us something that we’re going to leave at that right now.”When pushed for more information on Smith’s availability this week Nagy stood firm.”Personal issue,” he repeated. “I’m just going to say it was a personal issue. I’m not getting into anything else until… I’m just going to completely keep it at that.” Tyreek Hill injury update: Chiefs receiver (shoulder) to resume practice “We’ll see,” Bears coach Matt Nagy said.Smith was a surprise inactive just before Sunday’s win over the Vikings for a “personal issue,” and it was rumored he had not been acting like himself around the team facilities in recent days. Related News Kirk Cousins apologizes to wideout Adam Thielen after Week 4 misfires Derek Carr on Vontaze Burfict’s season-long ban: ‘I think that’s a little excessive’ Smith, a 2018 first-round pick of out of Georgia, has 145 tackles over 19 career games and entered Sunday with 24 tackles through the first three games of the season. He was seen standing on the sidelines in a sweatsuit as he watched Sunday’s game and left the stadium without speaking to reporters.”It’s something that’s in-house,” fellow linebacker Khalil Mack said Tuesday. “But at the same time, we know he’s going to get better and we look forward to him getting back out there with us.”Chicago will face Oakland in the first NFL game at Tottenham Hotspur Stadium at 1 p.m. ET Sunday.