<p>A shipwreck off Libya has left at least 15 migrants dead, the UN's migration agency said Wednesday, the latest tragedy to strike people making desperate bids to reach Europe.</p>.<p>"At least 15 migrants are presumed dead after their boat capsized off the coast of Sabratha, #Libya yesterday, according to five survivors brought to shore by fishermen," the International Organization for Migration's Libya chief wrote in a tweet.</p>.<p>"More than 70 others were intercepted and returned to Libya by the coast guard last night," Federico Soda added.</p>.<p>Libya has been ravaged by violence since a NATO-backed uprising toppled and killed longtime dictator Moamer Kadhafi in 2011.</p>.<p>The North African country has become a key embarkation point for migrants attempting death-defying voyages to Europe across the Mediterranean.</p>.<p>So far this year, some 10,000 people have been intercepted at sea and returned to Libya by its coastguard, according to the IOM.</p>.<p>It deems the country unsafe for migrants, who in many cases have been tortured or been sold into slavery.</p>.<p>Amnesty International last month urged the European Union to reconsider cooperation with Libya over "horrific abuses" of refugees and migrants.</p>
<p>A shipwreck off Libya has left at least 15 migrants dead, the UN's migration agency said Wednesday, the latest tragedy to strike people making desperate bids to reach Europe.</p>.<p>"At least 15 migrants are presumed dead after their boat capsized off the coast of Sabratha, #Libya yesterday, according to five survivors brought to shore by fishermen," the International Organization for Migration's Libya chief wrote in a tweet.</p>.<p>"More than 70 others were intercepted and returned to Libya by the coast guard last night," Federico Soda added.</p>.<p>Libya has been ravaged by violence since a NATO-backed uprising toppled and killed longtime dictator Moamer Kadhafi in 2011.</p>.<p>The North African country has become a key embarkation point for migrants attempting death-defying voyages to Europe across the Mediterranean.</p>.<p>So far this year, some 10,000 people have been intercepted at sea and returned to Libya by its coastguard, according to the IOM.</p>.<p>It deems the country unsafe for migrants, who in many cases have been tortured or been sold into slavery.</p>.<p>Amnesty International last month urged the European Union to reconsider cooperation with Libya over "horrific abuses" of refugees and migrants.</p>