In 2016, Chinese officials confirmed they had lost control of the Tiangong-1 space station. It's set to make an uncontrolled re-entry into Earth's atmosphere in just a couple of months, but this shouldn't be a problem.
We’ve known for some time that the Chinese space station Tiangong-1 is set to crash to Earth. The impact is expected to take place in mid-March 2018, plus or minus two weeks, but it’s really nothing to worry about.