International private equity firm Cinven is to sell an indirect minority stake in SYNLAB, a specialist in medical diagnostic services and specialty testing in Europe, to strategic investor Labcorp, a US-based provider of laboratory services.

HIG Capital is set to inject €50m ($55m) into Berlin-based property developer Ziegert, marking one of the first significant deals in the sector since a downturn driven by rising construction costs and reduced demand, according to a report by Bloomberg.

Several National Football League (NFL) teams, including the Los Angeles Chargers and the Miami Dolphins, are in discussions to bring in PE, with four groups – Arctos Partners, Ares Management, Sixth Street Partners, and a consortium that includes Blackstone – having so far been authorised by the NFL to invest.

Singapore’s state investment firm, Temasek Holdings Pte, is close to finalising a deal to acquire a significant minority stake in VFS Global, a visa outsourcing and technology services company controlled by US-based Blackstone Inc, according to a report by Bloomberg.

Castlelake, a global alternative investment firm specialising in asset-based investments, is to sell a $5bn portfolio of 118 aircraft – including narrowbody, widebody, and regional jets – to aviation finance company Avolon.

Private equity firm MBK Partners has teamed with Young Poong Corp, the largest shareholder of Korea Zinc Co, to launch a joint tender offer to acquire a controlling stake in the world’s leading refined zinc producer, valuing the company at KRW13.7tn won ($10.3bn), according to a report by Bloomberg.

Funds managed by private investment firm Apollo have acquired a majority interest in Freedom CNG (Freedom), an owner and operator of compressed natural gas and renewable natural gas fuelling infrastructure in Texas.

Sullivan Street Partners, a UK-based mid-market buy-out firm, has acquired UK Addiction Treatment Group, the UK’s largest residential addiction treatment group with over 200 beds across eight residential facilities.