Madurai: Two persons arrested in connection with the planting of a bomb on the route of BJP leader L K Advani's anti-corruption yatra near here were on Sunday remanded in judicial custody after interrogation in police custody.

Ismath and Abdullah Rahman were produced before the magistrate court a day ahead of the expiry of their four-day police custody by the Special Investigation Team probing the case.

The powerful pipe bomb placed under a bridge at Alampatti village was found and diffused by police following a tip-off on October 27 ahead of Advani's Jan Chetna Yatra was to pass through the road. Subsequently, the yatra route was altered.

Ismath and Rahman, both city residents, were arrested on November 1 and police suspect that they had helped two former hardcore members of banned terrorist outfit Al-Umma "Police" Fakruddin and Bilal Mallick in planting the bomb. A manhunt is on for the two ultras.

During their interrogation, Rahman fell sick and was hospitalised, police said. However, he was discharged today and brought to the court along with Ismath.

After SIT officials told Magistrate Radhakrishnan that the interrogation of the two was over, he remanded them in judicial custody.

Police said investigation revealed that the two had provided their vehicles to Fakruddin. They were not aware about the purpose for which their vehicles were used.

Meanwhile, police detained Fakruddin's brother Tarweez Mydheen to inquire about the whereabouts of his sibling. They also questioned other family members of Fakruddin.