India, July 11 -- Tempers frayed at Lord's minutes after Joe Root reached his 37th Test century, as Mohammed Siraj's morning was marred first by a missed chance and then by a delay in play that left the pacer visibly exasperated.

In the opening session of Day 2, Siraj had Jamie Smith edging a delivery that nipped away after pitching on a back of a length. The edge flew at a comfortable height to KL Rahul at second slip, but what should've been a routine catch went begging. Rahul reached out to his side with both hands, but the ball burst through his fingertips. Siraj could only stand mid-pitch in disbelief as the opportunity went down.

Adding fuel to his frustration, Siraj was then interrupted not once but twice by Joe Root before the n...