The U.N. refugee agency said Wednesday that at least 3,800 migrants have died in the Mediterranean Sea so far this year in an attempt to reach Europe, making 2016 the deadliest year on record.

The Geneva-based agency had warned Tuesday that this year's death toll was likely to exceed the 3,771 deaths reported for the whole of 2015.

"We're receiving more reports of deaths in the Med," spokesman William Spindler tweeted Wednesday. "We can now confirm that at least 3,800 people have died, making 2016 the deadliest ever."

Scores of migrants have been drowning each week as the fragile and often overcrowded boats they travel on capsize or sink, the U.N. agency said. It blamed bad weather, flimsy boats and the fact that migrants fleeing war and poverty are increasingly taking the hazardous central Mediterranean route from Libya to Italy in an attempt to reach Europe.... Read More: Fox News