the united states says it will ask china to increase the pressure on north korea not to conduct another nuclear test. state department spokesperson victoria nuland said the u.s. will raise the issue next month in beijing as part of strategic economic talks. >> though i am sure that we will be exchanging views on north korea and getting a better sense of how the chinese side analyzes the situation, what messages they've been willing to send, able to send and what pressure they think they can bring to bear because it's absolutely essential we all work together here. >> nuland also urged north korea to exercise self-restraint and refrain from conducting a nuclear test. >>> a bomb has exploded at a railway station in lahore, pakistan. it killed at least two people. it wounded 38 others. police say the bomb expleaded tuesday around 6:00 p.m. as people were heading home. they say it went off near a waiting room for express trains linking lahore and karachi. police say they suspect islamist militants were targeting ordinary citizens. people in lahore have seen many bombings in the past, but this is the first in months. >>> canada is suspending most of its s