Terror Attacks Traced to Two From Pakistan By JANE PERLEZ and ROBERT F. WORTH

ISLAMABAD, Pakistan — Fresh evidence unearthed Thursday by investigators in India indicated that the Mumbai attacks were stage-managed from at least two Pakistani cities by top leaders of the militant group Lashkar-e-Taiba.

Indian and American intelligence officials have already identified a Lashkar operative, who goes by the name Yusuf Muzammil, as a mastermind of the attacks. On Thursday, Indian investigators named one of the most well-known senior figures in Lashkar, Zaki-ur-Rehman Lakhvi.

The names of both men came from the interrogations of the one surviving attacker, Muhammad Ajmal Kasab, 21, according to police officials in Mumbai.

While Mr. Muzammil appears to have served as a control officer in Lahore, Pakistan, Mr. Lakhvi, his boss and the operational commander of Lashkar, worked from Karachi, a southern Pakistani port city, said investigators in Mumbai....