Su Su, 30, has been blacklisted and is barred from re-entering Thailand after he is deported, a source revealed yesterday.

He is now being detained at the Immigration Bureau ahead of deportation.

Records show Su activated a SIM card for Sun Junwei, one of the robbers who raided Inter Arms in the capital’s Wang Burapha area on Friday morning and injured two people.

Police later shot three of the robbers, including Sun, as they wielded what appeared to be guns during their attempted escape. One of the robbers died.

Police to investigate further

Arrested were Li Kunpeng and the gang’s leader Zheng Yang. They were unharmed.

“We have requested information on these suspects from the Chinese embassy,” Metropolitan Police Bureau acting chief Lt-General Sanit Mahathavorn said yesterday.

He said police believed that the robbery was not related to terrorism or a political conflict.

“But we don’t believe in everything the suspects say. We have to investigate further and compare their statements with other pieces of evidence,” he said.

Zhang claimed the robbery was staged because his gang wanted to sell stolen arms in China where they would fetch a very good price.

Police brought Zheng to various spots in Bangkok to re-enact the crime.

Gang leader nabbed in Nakhon Sawan on train to the north

Sanit said Zheng confessed to having plotted the robbery, including video recording the business as part of the robbery preparations.

“He also said he controlled the operation via radio-communication devices,” Sanit said.

Zheng was detained in Nakhon Sawan province while travelling to Chiang Mai on a train.

Zhang reportedly caught the train out of Bangkok after the robbery flopped, and hoped to flee Thailand via a northern border province.

Police found a notebook showing the escape route in Zhang’s possession.

He travelled from Chiang Mai to Chiang Rai, a border province, and crossed the Mekong River into Laos in 2014.

From Laos, he travelled by land to China.