A North Korean artillery launch happened minutes before a Chinese commercial plane reportedly carrying 202 people flew in the same area, South Korean officials said.

The two brothers suspected of bombing the Boston Marathon appear to have been motivated by a radical brand of Islam but do not seem connected to any Muslim terrorist groups, US officials have said after interrogating and charging Dzhokhar Tsarnaev with crimes which could bring the death penalty.

A programmer at a US firm outsourced his job to a Chinese contractor for a fraction of his six-figure salary.