1.   Wailing ambulances sped through the streets, ferrying the wounded.

2.   Wailing ambulances were soon on hand to take away dozens of casualties.

3.   Flames leaped high into the air, sending up huge black plumes of black smoke as wailing ambulances converged on the working-class area lined with old stone apartment buildings.

4.   Flames leaped high into the air, sending up plumes of black smoke as wailing ambulances converged on the working-class area lined with old stone apartment buildings.

5.   Huge black plumes of smoke rose into the sky as wailing ambulances rushed to a narrow side street near the market.

6.   Military police warned gawkers away, and a heavy smell of gas hung over the neighborhood even after the last of the wailing ambulances had rushed away.

7.   Police cars and wailing ambulances converged on a scene of noise and confusion.

8.   Shortly afterward, wailing ambulances arrived to take away the casualties.

9.   Until then, even wailing ambulances sat trapped for hours in mammoth traffic jams.