A 36-year-old man, who is alleged to have funded National Thowheed Jama'at leader Zharan Hashim was arrested in Singapore in May, the Jakarta Post reported yesterday.
The 36-year-old money-changer Kuthubdeen Haja Najumudeen had donated funds to Zahran and his group, though investigators did not find any indication that he was involved in the attacks, the Singaporean interior ministry said.
Meanwhile, another Singaporean, a 47-year-old former delivery assistant, Suderman Samikin, had been detained this month for allegedly joining a pro-IS Facebook group and actively seeking advice on how to join IS. He had been in prison previously for drug consumption.
The two Singaporeans accused of planning to join the IS group in Syria have been detained without trial under the city-State’s tough security laws, authorities said on Thursday.
They were the latest arrests in Singapore of people allegedly supporting the jihadists or planning to fight with them, with the country's leaders warning it is a prime target for an attack due to its status as a regional financial centre.
They were arrested in two separate cases under the Internal Security Act, which allows for detention without trial for up to two years.
"Investigations established that they were radicalised and had harboured the intention to make their way to Syria to join the terrorist group Islamic State of Iraq and Syria," the ministry said in a statement.
As the jihadists' "caliphate" crumbled in the Middle East, members of the group have dispersed and are surfacing with their own operations and networks elsewhere, including Southeast Asia.
There have been a steady stream of such cases reported in recent years in Singapore, which is majority ethnic Chinese but also has a sizeable Muslim minority.