Britain's deficit on trade in goods and services increased to 3.9 billion pounds in May compared with a deficit of 3.5 billion in April, the Office for National Statistics (ONS) said on Friday. The ONS said in a report that Britain's trade surplus on trade in services was 4.2 billion pounds in May compared with a surplus of 3.9 billion in the previous month. However, the deficit on trade in goods hit 8.1 billion pounds in May, the highest level in the past two years. It compared with a deficit of 7.4 billion in April. The report also showed that Britain's trade deficit with EU countries widened to 3.6 billion in May from 4 billion pounds in April and the deficit with non-EU countries also widened to 4.5 billion in May compared with a deficit of 3.4 billion in April. 