Tehreek-e-Taliban Pakistan (TTP) denied any link with Faisal Shehzad, the suspected New York Times Square bomber, TTP spokesman Azam Tariq said Thursady, local TV channel reported.

The spokesman said that they did not know Shehzad and had not trained him for bombing, the private TV Express reported.

Shahzad, a naturalized United States citizen was arrested Monday late night, was allegedly found guilty.

Some reports also said that the Pakistani-American, a failed Times Square car bomber, is believed to have been working alone when he began preparing the attack almost immediately after returning from his native land.

According to local media, authorities said they have not found a wider link to extremist groups.