Lahore (Pakistan) - At least sixteen persons including two senior police officers and three cops were killed and over seventy injured in a suicide attack on Mall Road in Lahore on Monday. The Pakistani Taliban faction Jamaat-ul-Ahrar swiftly claimed responsibility for the blast, which came three days after it announced it would carry out a series of attacks on government installations around the country. A spokesman for the group warned in a statement that Monday's blast was "just the start." The explosion was near the Punjab provincial assembly in the Pakistani city of Lahore killed at least 13 people and wounded 83 others on Monday, a senior police official said.Mushtaq Sukhera, inspector general of police in Punjab province, said five police officers were among the dead when an explosion rocked a protest organised by Pakistan's chemists and pharmaceuticals manufacturers.