* FTSEurofirst 300 index down 1.1 percent
* BP slips after U.S. launches criminal probe
* Portugal Telecom soars on Telefonica Vivo bid
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By Joanne Frearson
LONDON, June 2 (Reuters) - European shares fell on Wednesday, with BP <BP.L> down after the U.S. launched a criminal probe into the Gulf of Mexico disaster and banks slipping on worries over the recovery from the euro zone crisis.
By 0856 GMT, the pan-European FTSEurofirst 300 <
> index was down 1.1 percent at 991.62 points.BP lost 2.4 percent, extending its 13.1 percent drop in the previous session. The company has lost more than a third of its market value, or about 46 billion pounds ($67 billion), since the crisis began.
The U.S. FBI and other federal agencies are aggressively investigating the spill and "if we find evidence of illegal behaviour, we will be forceful in our response," U.S. Attorney General Eric Holder said on Tuesday. [
]"There was a sharp drop off in the U.S. overnight on the news of the U.S. criminal and civil investigation," said Will Hedden, sales trader at IG Index. "We are coming in line with the selloff in the U.S."
Energy stocks slipped as crude <CLc1> fell 0.9 percent as the negative sentiment pervaded in the financial markets. BG Group <BG.L>, Royal Dutch Shell <RDSa.L>, Total <TOTF.PA> and Cairn Energy <CNE.L> were down 1.8 to 3 percent.
The European index has lost 10.5 percent since mid-April when fears intensified that a sovereign debt crisis in the euro zone could derail the global economic recovery.
"The main worry is still the debt crisis in Europe and the impact it will have on growth in the second half," said Philippe Gijsels, head of research at BNP Paribas Fortis Global Markets in Brussels. "Banks are the epicentre of the crisis."
Banks took the most points off the index after small losses in the previous session. HSBC <HSBA.L>, Banco Santander <SAN.MC> and Barclays <SAN.MC> slipped 1.9 to 3.3 percent.
PORTUGAL TELECOM GAINS
On the upside, Portugal Telecom <PTC.L> soared 6.3 percent after Spain's Telefonica <TEF.MC> raised its bid for PT's stake in Brazilian mobile phone company Vivo <VIVO4.SA> to 6.5 billion euros ($7.9 billion) from 5.7 billion euros. [
]GlaxoSmithKline <GSK.L> rose 1.3 percent after Jefferies raised its rating for the company to "buy" from "hold".
Later in the session, investors will eye the May U.S. Challenger layoffs report, due at 1130 GMT, a precursor to Friday's U.S. nonfarm payrolls.
April U.S. pending home sales will be released at 1400 GMT.
In other news, German Chancellor Angela Merkel's cabinet passed a draft bill that will ban naked short selling of euro zone government bonds and German shares, coalition sources told Reuters.
Meanwhile, the euro was higher after some of the world's biggest central banks said they would not stop investing in the single currency. [
]Across Europe, the FTSE 100 <
> index was down 1.3 percent, Germany's DAX < > was 1.7 percent lower and France's CAC 40 < > fell 1.3 percent. (Editing by Hans Peters)