Singapore's first female Speaker of parliament was formally installed on Monday, replacing a disgraced predecessor who stepped down after he confessed to an extramarital affair.

The principal of a top Singapore high school was Thursday removed from his post and being investigated by the anti-corruption bureau, authorities told AFP, in the latest such scandal to hit the city-state.

Singapore opposition parties urged Prime Minister Lee Hsien Loong Thursday to call a by-election after the parliamentary speaker abruptly resigned due to an extramarital affair.

Singapore's parliamentary speaker announced his resignation Wednesday after confessing he had an extramarital affair with a community worker, setting off a fresh sex scandal in the city-state.

Chinese cities now dominate the list of the most expensive places in Asia for expatriate residents due in part to a stronger local currency, a regional survey showed Wednesday.

Four Chinese bus drivers facing possible jail for instigating Singapore's first industrial strike in 26 years were given more time on Wednesday to explore their legal options.

Two mainland Chinese workers who staged a high-rise protest atop construction cranes in Singapore over unpaid wages have been arrested and could face imprisonment, police said Friday.

About 90 workers were injured Monday when an oil rig being built at a shipyard in Singapore tilted to one side, the Ministry of Manpower said, amid reports of explosions and snapping cables.

Singapore sentenced a Chinese immigrant bus driver to six weeks in prison Monday for his involvement in the city-state's first labor strike in 26 years.

Singapore will deport 29 Chinese immigrant bus drivers who were involved in the city-state's first strike in 26 years, the government said Saturday.