The pound weakened after the publication as the weak growth reading has lowered the possibility of the Bank of England moving ahead with a rate hike at its meeting on May the 10th.
Sterling under pressure due to Brexit uncertainty and weak economic data! US Fed on hold for now but more rate rises ahead later in the year. Euro zone economic data could be starting to slow - Data being watched closely in the coming weeks for more signs.
GDP drops = rate hike off, for now.