San Francisco authorities say they still can't access Twitter HQ's roof to inspect Elon Musk's 'unsafe' X sign

• San Francisco authorities say they can't access X, formerly Twitter's headquarters. 
• The city is trying to inspect Elon Musk's giant light-up X sign set up on the roof. 
• The sign has become the subject of social media speculation and upset some locals.

San Francisco authorities say they still can't access X, formally Twitter's, headquarters to inspect Elon Musk's new sign.