JOHANNESBURG (Reuters) - South African assets slumped further on Wednesday after Finance Minister Pravin Gordhan said he would not appear before police who had requested him to meet them over an investigation into a suspected rogue spy unit in the tax service.
The police had on Monday asked Gordhan and other top officials at the South African Revenue Service (SARS) to meet an officer of the elite unit Hawks on Thursday in relation to contravention of surveillance regulations.
News of Gordhan's summons compounded investors' worries of a leadership wrangle over the Finance Ministry as Africa's most industrialised country teeters near a recession and credit rating agencies consider downgrading it to "junk" by year-end.
Analysts speculated that there was a plot to remove Gordhan, and his decision not to meet the police as requested appeared to set the stage for what could likely be a prolonged tussle that could rock markets further.
Political pundits have said since February, when he was first asked questions by the Hawks about the unit he set up while at SARS, that Gordhan is a target of political pressure from a faction allied to President Jacob Zuma. The president's office said in May that Zuma was not warring with Gordhan.
Zuma's office has not commented on the latest developments.
The rand extended its losses, falling 1.5 percent to 14.21 against the dollar, extending its losses to almost 5 percent since the news about Gordhan became public late on Tuesday. Bonds also tumbled.
Gordhan said he had been advised by his lawyers that he was under no legal obligation to present himself to the police, and that the head of the Hawks had in the past told him that he was not a suspect in the investigations.
He said that he had already provided a comprehensive statement on the issue to the police and reiterated that the investigative unit set up while he was head of SARS was lawful.
"I am advised by my legal team that the assertions of law made by the Hawks in their letter of 21 August 2016 are wholly unfounded on any version of the facts," he said in a statement.
"I therefore, do not intend to present myself," he said.
"I have a job to do in a difficult economic environment and serve South Africa as best I can. Let me do my job."
Hawks spokesman Hangwani Mulaudzi said he could not comment on what the next move by the police could be.
NKC political analyst Gary van Staden said Gordhan's refusal to meet the police showed that he had reached his limit.
"It implies that Mr Gordhan is now sick and tired of this stuff, he's sick and tired of the harassment, he's sick and tired of the intimidation and sick and tired of the implied treats and has now said, 'if you are serious then come and arrest me because I am not playing this game anymore'," he said.
A former finance minister, Trevor Manuel, said the economy would be "destroyed" if Zuma fired Gordhan after he changed finance ministers twice in one week in December.
Investors and rating agencies back Gordhan's plans to rein in government spending in an economy forecast by the central bank to grow at zero percent this year.
Analysts are worried that a replacement could likely be coerced to abandon such plans, destabilising an economy hammered by falling prices for commodities that range from coal to gold.
Zuma raised concern among investors in December by replacing then finance minister Nhlanhla Nene with relatively unknown lawmaker David van Rooyen. After markets tumbled, Zuma appointed Gordhan, in his second stint in the job.
"Such action (removing Gordhan) will destroy this economy," Manuel told eNCA television. "The next move is actually up to the head of state to call them (Hawks) in and say: if you have compelling evidence let's see what it is."
Opposition leader Mmusi Maimane, whose Democratic Alliance party took control of major cities following Aug. 3 local government polls, said in a statement that "the Gordhan witch-hunt is Zuma's road to the Treasury's keys".
A Zuma-backed plan to build a fleet of nuclear power plants, at a cost of as much as $60 billion (45 billion pounds), has been a cause of tension with the Treasury for months and is likely adding to pressure on Gordhan's position, analysts say.
Russian state-backed companies are the favourites to win the nuclear bid, industry sources say. Nene's refusal to sign-off on the nuclear deal led to his downfall, government sources said at the time.
Gordhan has refused to be drawn publicly on whether he supports the nuclear project but has said South Africa will only enter agreements it can afford.
"This is all part of a plot to oust Gordhan," political analyst Prince Mashele said. "Gordhan refuses to sign-off on the Russian nuclear deal."
(Additional reporting by Joe Brock and Tanisha Heiberg; Writing by James Macharia; Editing by Alison Williams)
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