Victoria White visits Istanbul’s Taksim Square and the takes the pulse of a country on the edge.

Turkey warned it may bring in the army to help quell nationwide anti-government protests after a weekend of heavy clashes between riot police and demonstrators sent tensions soaring.

A gunman wounded a soldier and a security guard at the entrance to Istanbul’s Topkapi Palace today, before engaging in a shoot-out with Turkish police inside the palace courtyard, witnesses said.

A huge fire engulfed the cargo section of Istanbul’s Ataturk International airport today and blocked air traffic, television reports said.