A Ghana national was held after he attacked a constable with a chair at a multi-national chain of restaurant outlet on Kamanahalli main road on Thursday night.

A group of five policemen were on the look out for the Ghana national Adams Darmaig, 44, who had come to India on a tourist visa on January 24, as there were complaints that he had been offering US $ and was claiming an expert in note doubling.

"He do not have a permanent residence and takes shelter by befriending some people. He had come to India on a tourist visa on January 24 and had been shuttling across the city offering people that he would give them US $ 1000 against Rs 30,000. We were keeping a watch on him all these days. The attack happened a group of policemen went to the multi-national chain of restaurants on Kammanahalli main road," P Harishekaran, additional commissioner (East) told TOI.

Police said about five constables in plainclothes were waiting on arrival at the restaurant around 8.30 pm, when he showed up at the restaurant. The police constables were keeping watch over his movement and when he got up to move out, one of the constables tried to catch him. "He took out a chair and hit at one of the constables Shiva Kumar, who was on the verge of catching him. Seeing the assault, other four constables who were present there pinned him down and caught him," said the police.

Harishekaran said that Adams was questioned and he was yet to give information about his contacts in the city. "We have sought the court to remand him to police custody and the court has granted two days police custody. We have to elicit more information from him about his actual dealings in the city."

There is also suspicion that he was also involved in pushing narcotic drugs. A case under sections 353 (assault or criminal force to deter public servant from discharging his duty) and 332 (voluntarily causing hurt to deter public servant from his duty) of IPC has been registered against him.

He is in police custody for two days, police said.