Margate Library was closed on Saturday following a disturbance and threats to Thanet Gateway staff earlier in the week.
Kent Police was called at 2.54pm on Thursday (October 24) to a disturbance where a man is reported to have caused criminal damage to a computer and made threats to a member of council staff.
Enquiries to establish the full circumstances are ongoing.
The library, which also houses the district council Gateway service, remained shut on Saturday following police advice. It is understood police were still attempting to track the man down.
A Kent County Council spokesman said: “We shut the library slightly earier on Thursday and Friday and, on police advice, did not open on Saturday.”