 On 10 August 2010, Pua received a live 5.56mm bullet along with a threatening note that were mailed to his constituency service centre.Pua stated that the threat may have been related to his proposal to the Selangor government to cut Bumiputera discounts for homes and commercial property priced above RM 500,000 in the state.On 28 January 2011, Syarikat Bekalan Air Selangor (SYABAS) filed a lawsuit against Pua claiming he had permitted Nanyang Siang Pau's Metro edition to publish words defamatory of it.