# Lung Sing (constituency)

Lung Sing, formerly called Diamond Hill, is one of the 25 constituencies in the Wong Tai Sin District in Hong Kong.
The constituency returns one district councillor to the Wong Tai Sin District Council, with an election every four years. The seat has been currently held by former legislator Mandy Tam, previously affiliated with The Frontier and the People Power.
Lung Sing constituency is loosely based on Diamond Hill area including Lung Poon Court, Galaxia, Bel Air Heights, Fung Chuen Court and Regent On The Hill. The estimated population in 2019 is 19,166.

## Councillors represented
### Diamond Hill (1994–2003)

| Election | Election | Member | Party |
| | 1994 | Choi Luk-sing | Independent (EKDRC) |

### Lung Sing (2003 to present)

| Election | Member | Party |
| 2003 | Mandy Tam Heung-man | Independent |
| 2006 | Mandy Tam Heung-man | Civic |
| 2007 | Choi Luk-sing | Independent |
| 2011 | Mandy Tam Heung-man | Independent |
| 2013 | Mandy Tam Heung-man | People Power/Frontier |
| 2016 | Mandy Tam Heung-man | Frontier |
| 2018 | Mandy Tam Heung-man | Independent |
| 2019 | Mandy Tam Heung-man | Independent |

## Election results
### 2010s

Wong Tai Sin District Council Election, 2019: Lung Sing :
| Party | Party | Candidate | Votes | % | ±% |
| | Ind. democrat | Tam Heung-man | 6,098 | 65.77 | +16.37 |
| | Independent | Ivan Mok Ka-kit | 2,708 | 29.21 | |
| | Independent | Chan Chun-hung | 336 | 3.62 | |
| | Independent | Ngok King-fun | 130 | 1.40 | −3.50 |
| Majority | Majority | Majority | 3,390 | 36.56 | |
| Turnout | Turnout | Turnout | 9,310 | 75.03 | |
| | Ind. democrat hold | Ind. democrat hold | Swing | | |
Wong Tai Sin District Council Election, 2015: Lung Sing :
| Party | Party | Candidate | Votes | % | ±% |
| | Frontier | Tam Heung-man | 2,974 | 49.4 | +0.9 |
| | Nonpartisan | Joseph Lam Chok | 2,640 | 43.8 | |
| | Independent | Ngok King-fun | 297 | 4.9 | |
| | Nonpartisan | Ho Wai-kuen | 111 | 1.8 | |
| Majority | Majority | Majority | 334 | 5.6 | |
| Turnout | Turnout | Turnout | 6,131 | 52.0 | |
| | Frontier hold | Frontier hold | Swing | | |
Wong Tai Sin District Council Election, 2011: Lung Sing :
| Party | Candidate | Votes | % | ±% |
| Independent | Tam Heung-man | 2,862 | 48.5 | +3.8 |
| Independent | Choi Luk-sing | 2,809 | 47.6 | −1.0 |
| Independent | Simon Chan Wai-sun | 233 | 3.9 | |
| Independent gain from Independent | Independent gain from Independent | Swing | +2.4 | |

### 2000s

Wong Tai Sin District Council Election, 2007: Lung Sing :
| Party | Candidate | Votes | % | ±% |
| Independent | Choi Luk-sing | 2,654 | 48.6 | +5.2 |
| Civic | Tam Heung-man | 2,444 | 44.7 | −3.2 |
| Independent | Lo Hoi-pang | 366 | 3.7 | |
| Independent gain from Civic | Independent gain from Civic | Swing | +4.2 | |
Wong Tai Sin District Council Election, 2003: Lung Sing :
| Party | Candidate | Votes | % | ±% |
| Independent | Tam Heung-man | 2,301 | 47.9 | |
| Independent | Choi Luk-sing | 2,086 | 43.4 | −14.6 |
| Independent | Lam Kwan-wai | 278 | 5.8 | |
| Independent | Alan Lai Wai-tong | 141 | 2.9 | |
| Independent gain from Independent | Independent gain from Independent | Swing | | |

### 1990s

Wong Tai Sin District Council Election, 1999: Diamond Hill :
| Party | Candidate | Votes | % |
| Independent | Choi Luk-sing | 1,947 | 58.0 |
| Democratic | Manuel Chan Tim-shing | 1,391 | 41.5 |
| Independent hold | Independent hold | Swing | |
Wong Tai Sin District Board Election, 1994: Diamond Hill :
| Party | Party | Candidate | Votes | % | ±% |
| | EKDRC | Choi Luk-sing | uncontested | | |
| | EKDRC win (new seat) | EKDRC win (new seat) | EKDRC win (new seat) | EKDRC win (new seat) | EKDRC win (new seat) |