New Delhi, June 13 -- Copper prices declined in the international market as escalating geopolitical tensions in the Middle East and concerns over expanded US tariffs dampened investor sentiment and triggered risk-off behavior across global markets.

On the London Metal Exchange (LME), copper fell 0.9% to $9,611 per ton, registering a 0.9% drop for the week. Similarly, copper on the Shanghai Futures Exchange (SHFE) declined 0.9% to 78,010 yuan per ton, down 0.5% on a weekly basis.

The premium of US COMEX copper futures over LME copper stood at $946 per ton, Reuters reported.

On the domestic front, MCX copper futures were trading 0.39% lower at Rs.871.45 per kg.

The drop in copper prices followed Israel's airstrikes on Iran targeting its...