Iran Mobilizes to Stifle Opposition Protests - WSJ.com: Via Wall Street Journal / WSJ.com .

BEIRUT—Iranian authorities deployed in force across Tehran Wednesday to conduct last-minute security sweeps and warn residents to refrain from joining antigovernment protests planned for Thursday.

The government typically orchestrates large, carnival-like rallies and demonstrations to mark the anniversary of the Islamic Republic. For this year's events on Feb. 11, the day marking the culmination of the annual celebrations, opposition leaders have called for protesters to demonstrate against the regime. That has set the stage for clashes between authorities and demonstrators, who have taken to the streets repeatedly to protest the outcome of presidential elections in June.

Government officials, meanwhile, ratcheted up threats against any protests Thursday, vowing to confront demonstrators on the streets and calling for government supporters to turn out in large numbers. Iranian officials have branded protesters as agents of foreign powers.

The Iranian judiciary has handed down a number of harsh sentences against protesters arrested in previous demonstrations, including at least 10 pending death sentences.

On Wednesday, semi-official news services and opposition Web sites reported last-minute attempts by police and plain-clothes militia to suppress antigovernment demonstrations.

Basij militia took over a large bus and taxi station in western Tehran, shutting it down and draping a banner over the terminal stating the area will serve as headquarters for security forces.

Iranian Web sites said the bus terminal would also be used by security forces coming in from the provinces to help suppress protests in the capital.

The government typically buses in large numbers of government supporters from outlying regions to Tehran to participate in rallies.

Meanwhile, human-rights groups in Iran reported late Wednesday that 19 mothers whose children were killed in previous post-election unrest, had been detained by authorities.

Iranians have reported widespread service disruptions to Internet and text messaging services, though mobile phones appeared to be operating normally Wednesday.

Iran's telecommunications agency announced what it described as a permanent suspension of Google Inc.'s email services, saying instead that a national email service for Iranian citizens would soon be rolled out. It wasn't clear late Wednesday what effect the order had on Google's email services in Iran.

Google didn't have an immediate comment about the announcement.

Police have also confiscated satellite dishes from residential roof tops, according to opposition Web sites. Some pedestrians have been quoted on opposition Web sites saying that their mobile phones were searched and, in some cases, taken by police patrolling areas of the capital where protests have erupted in the past.

Iranian authorities tasked with upholding Islamic values have also been scouring the streets, harassing people wearing green, the trademark color of the opposition, according to witness accounts posted on opposition Web sites.

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Opposition leaders don't appear to be backing down. Mehdi Karroubi, a former presidential candidate, said Wednesday he will march peacefully from a neighborhood in west Tehran towards the capital's Azadi Square Thursday morning.

Opposition Web sites reported that former president Hashemi Rafsanjani, an opposition leader, held an emergency meeting with Supreme Leader Ayatollah Ali Khamenei on Monday night, complaining about the heavy-handed crackdowns ahead of Feb. 11 and calling for "the end of shameful actions" against protesters.

Despite the crackdown, authorities Wednesday appeared to also signal some flexibility. Iran's Revolutionary Court on Wednesday reduced the prison sentence of Iranian-American scholar Kian Tajbakhsh to five years in from 15, in an appellate hearing. Mr. Tajbakhsh was sentenced on charges of plotting against national security.

Alireza Beheshti, a top aide to opposition leader Mir Hossein Mousavi, was released from prison Tuesday night in critical condition, after suffering a heart attack in Evin prison this week, according to opposition Web sites.

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