TDC, the Danish telecoms operator that was bought by a private equity consortium for €13bn in 2005, has bought back €200m of loans at around 90 cents to 95 cent in the euro.

YFM Group and Swarraton Partners have led a £2m (€2.5m) investment in Micrima, which is developing radio wave technology to improve detection of breast cancer.

Warburg Pincus has raised $15bn (€9.4bn) global private equity fund, to be invested across early-stage, growth and developed businesses in North America, Europe and Asia.

Fund of funds manager LGT Capital Partners has acquired Hong Kong-based hedge fund KGR Capital for an undisclosed sum.

Motorola Ventures has backed VirtualLogix, a developer of virtualisation software for communications devices and infrastructure equipment, with an undisclosed investment.

Private Advisors has appointed Matthew Baker, Jennifer Buckley and Rickard Fischerstrom as managing directors in its London office.

Matrix Private Equity Partners has refinanced upmarket construction group Holloway White Allom in a deal that will lock in an 81 per cent IRR and fivefold cash multiple.

New York-based Aquiline Capital has acquired 5.1 per cent of BinckBank, an online bank for investors based in the Netherlands.

Oil and gas fund Epi-V has invested £5m (€6.25m) in Guardian Global Technology Group, taking a 44 per cent stake in the company.

US oilfield contractor Halliburton is understood to be preparing an offer of at least £15 a share for London-listed oil services company Expro, valuing the business at £1.8bn (€2.25bn).