Dec 12 (Reuters) - Italian holding company Fininvest, which controls broadcaster Mediaset says in a statement:
* Vivendi's acquisition of stake in Italian broadcaster attempt to launch "a real hostile takeover"
* Vincent Bollore and Vivendi have shown on Monday what their true intentions on Mediaset were from the very start
* does not intend to take even one step backwards as main shareholder of Mediaset
* will use all means to block what it sees as not a normal market transaction but a "very serious deception" of the market Related news: Vivendi targets 20 pct stake in Italian broadcaster Mediaset Further company coverage: (Reporting by Milan newsroom)