Can an MD5-hash begin with a zero?

Question

Can an MD5-hash begin with a zero? What about SHA-1?

Answer 1

I found a MD5 hash that beginns with a zero byte!
2 character String

Unicode #7358 #34823

$returnValue = md5('Ჾ蠇');

result:

00000000 5e0a51c8 313ffb43 8a3a2861