• GBP/USD declined in the US session as investors awaited further developments in Britain's suspended election campaign after a suicide bombing rocked the English city of Manchester.
   
• Britain's main political parties agreed to suspend campaigning ahead of the June 8 election until further notice following Monday night's explosion in Manchester that killed 22 people at a concert.
   
• The pound traded lower for most of the day, last down 0.1 percent at $1.2972, below its highest level since Sept. 29 hit last week.
   
• Further upside for this pair is expected to be limited as strong resistance level at 1.3058 is set to limit upside and bring decline towards lower levels.
   
• To the upside, immediate resistance can be seen at 1.2998, a break above this level would expose the cable to next resistance level at 1.3058 levels.
   
• To the downside strong support can be seen at 1.2936, a break below at this level will open the door towards next level at 1.2912.
  
  Resistance Levels
  
  R1:  1.2998 (50% Retracement level)
  
  R2: 1.3058 (61.8% Retracement level)
  
  R3: 1.3100 (Psychological levels)
  
  Support Levels
  
  S1: 1.2936 (38.2 % Retracement level)                   
  
  S2: 1.2912 (May 19th lows)
  
  S3: 1.2866 (23.6 % Retracement level)