Digital Sky Technologies reportedly takes Twitter to $8bn valuation with large cheque.

Russian venture firm Digital Sky Technologies (DST) has reportedly invested $400m in US social media company Twitter as part of an $800m funding round.

The Russian firm will receive a 5% stake for its investment, according to news provider Financial Times. Twitter confirmed on its blog the latest funding round was led by DST.

T Rowe Price, an US mutual fund and a fund run by US-based bank JP Morgan had also invested in the company, the FT said.