### Clue: Cry for help in publicity about end of democracy welcomed by PM (6)
### Answer: MAYDAY 
 ### Explanation: Definition: Cry for help
 [ **Reversal of**(… about) AD(short for "advertisement";publicity) + **the last letter of**(end of) "democracy" ] **placed below**(welcomed by, in a down clue) MAY(Theresa, current Prime Minister of the UK).